Chemical Summary Ketorolac 66635 83 4

**Chemical Summary Ketorolac 66635 83 4: An In-Depth Look at Its Properties and

Applications**

chemical summary ketorolac 66635 83 4 serves as a foundational guide for

understanding this important pharmaceutical compound. Ketorolac, identified by the CAS

number 66635-83-4, is a nonsteroidal anti-inflammatory drug (NSAID) widely used for its

potent analgesic and anti-inflammatory effects. This article aims to provide a

comprehensive and natural overview of ketorolac’s chemical characteristics, mechanism

of action, clinical uses, and safety profile, weaving in related terms and concepts to enrich

your understanding.

Understanding Ketorolac: The Basics

Ketorolac tromethamine, often referred to simply as ketorolac, is a synthetic NSAID with a

strong ability to reduce pain and inflammation. Its chemical structure and properties are

crucial for its effectiveness and pharmacological profile. By delving into the chemical

summary ketorolac 66635 83 4, we gain insights into why this compound is favored in

clinical settings, especially for short-term management of moderate to severe pain.

Chemical Structure and Molecular Details

Ketorolac’s chemical formula is C15H13NO3, with the CAS registry number 66635-83-4

serving as its unique identifier in chemical databases worldwide. The molecule features a

pyrrolizine carboxylic acid core, making it part of the heterocyclic compound family. This

structure is essential for its interaction with cyclooxygenase (COX) enzymes, which

ketorolac inhibits to produce its analgesic effects.

Some key chemical attributes include:

Molecular weight: approximately 255.27 g/mol

Physical state: crystalline powder in its pure form

Solubility: moderately soluble in water, highly soluble in organic solvents like

ethanol

The specific arrangement of functional groups in ketorolac, such as the carboxylic acid

moiety, allows it to bind effectively to COX enzymes, distinguishing it from other NSAIDs.

This interaction plays a central role in reducing prostaglandin synthesis, which mediates

pain and inflammation.

Mechanism of Action: How Ketorolac Works

Delving deeper into the chemical summary ketorolac 66635 83 4 naturally leads us to its

mechanism of action. Ketorolac’s primary therapeutic effect stems from its inhibition of

cyclooxygenase enzymes—specifically COX-1 and COX-2. These enzymes catalyze the

conversion of arachidonic acid to prostaglandins, which promote inflammation, pain, and

fever.

By binding reversibly to COX enzymes, ketorolac reduces the production of

prostaglandins, leading to:

Alleviation of inflammation at the site of injury or surgical trauma

Reduction in pain signals transmitted to the brain

Lowered fever in some cases due to diminished pyrogenic prostaglandins

Unlike opioids, ketorolac does not act on the central nervous system’s opioid receptors,

which reduces risks of dependency and respiratory depression. However, its potent

inhibition of COX-1 is also linked to some of its adverse effects, such as gastrointestinal

irritation.

Relevance of Ketorolac’s Chemical Properties to Its Function

The chemical nature of ketorolac allows it to cross biological membranes effectively,

which is critical for rapid onset of action. Its relatively small molecular size and moderate

lipophilicity facilitate absorption after oral or intramuscular administration.

Additionally, the presence of the acidic carboxyl group enhances its ability to interact with

enzyme active sites, making it a strong competitive inhibitor. These chemical features

underpin ketorolac’s high efficacy in managing acute pain, especially post-operative pain

where quick relief is essential.

Clinical Applications and Uses

Understanding the chemical summary ketorolac 66635 83 4 extends to how this

compound is utilized in medical practice. Ketorolac is primarily prescribed for short-term

management of moderate to severe pain, especially when opioids are either

contraindicated or undesirable.

Common Indications for Ketorolac Use

Due to its potent analgesic effects, ketorolac is often employed in scenarios such as:

Postoperative pain relief following surgeries like dental extraction, orthopedic

1.

procedures, or abdominal surgery

Acute musculoskeletal pain including sprains, strains, and injuries

2.

Management of renal colic and other visceral pain syndromes

3.

In hospital settings, ketorolac is available in multiple formulations, including oral tablets,

injectable solutions, and ophthalmic drops, the latter being used to reduce ocular

inflammation after surgery.

Dosage and Administration Insights

Given its chemical potency and pharmacodynamics, ketorolac is generally prescribed for

short durations—typically no more than five days—to minimize risks of adverse effects.

The dosing varies depending on the route of administration:

Oral: Usually 10 mg every 4 to 6 hours without exceeding 40 mg per day for adults

Intramuscular or intravenous: 15 to 30 mg every 6 hours, with a maximum daily

dose of 120 mg

Ophthalmic: Applied as per specific surgical protocols

It’s important to note that the chemical stability of ketorolac in different formulations

affects its shelf life and handling, making proper storage essential.

Safety Profile and Potential Side Effects

No discussion of the chemical summary ketorolac 66635 83 4 would be complete without

addressing safety considerations. While ketorolac is effective, its chemical action on COX

enzymes can lead to several side effects, especially with prolonged use.

Common and Serious Adverse Effects

Ketorolac’s inhibition of COX-1 reduces protective prostaglandins in the gastrointestinal

tract, which can result in:

Gastrointestinal irritation and ulcers

1.

Increased risk of bleeding due to platelet function inhibition

2.

Renal impairment, especially in patients with preexisting kidney conditions or

3.

dehydration

Other possible side effects include headache, dizziness, and hypersensitivity reactions.

Because of these risks, ketorolac is contraindicated in patients with active peptic ulcer

disease, renal failure, or those at high risk of bleeding.

Precautions and Drug Interactions

Due to its chemical and pharmacological profile, ketorolac should be used cautiously

alongside:

Anticoagulants, which increase bleeding risk

Other NSAIDs or corticosteroids, which can enhance gastrointestinal toxicity

Certain antihypertensive drugs, as ketorolac may reduce their effectiveness

Healthcare providers often consider these interactions when prescribing ketorolac,

ensuring safe use aligned with the patient’s overall medication regimen.

Environmental and Chemical Handling Considerations

From a chemical perspective, ketorolac 66635 83 4 requires careful handling in

manufacturing and laboratory environments. The compound should be stored in a cool,

dry place, protected from light to maintain its stability. During synthesis or formulation,

appropriate safety measures must be observed to avoid exposure and contamination.

Moreover, understanding its chemical degradation pathways is important for

pharmaceutical development, ensuring that ketorolac products retain potency throughout

their shelf life.

Advances in Ketorolac Formulations

Recent research has focused on enhancing ketorolac’s delivery and minimizing side

effects through novel formulations, such as:

Extended-release tablets to provide longer pain control with lower peak plasma

concentrations

Nanoparticle-based delivery systems aimed at targeted action with reduced

systemic exposure

Combination therapies that leverage ketorolac’s anti-inflammatory effects with

complementary agents

These innovations are grounded in a thorough grasp of ketorolac’s chemical structure and

behavior, highlighting the importance of the chemical summary ketorolac 66635 83 4 in

pharmaceutical science.

Exploring ketorolac through the lens of its chemical summary 66635 83 4 reveals the

intricate balance between its molecular properties and therapeutic applications. This

compound’s ability to effectively manage pain while presenting manageable risks makes

it a vital tool in modern medicine, especially when used thoughtfully and with respect to

its chemical nature. Whether you are a healthcare professional, a researcher, or simply

curious about this NSAID, understanding its chemical foundation enriches appreciation for

its role in pain management.

Question

Answer

What is the chemical

name of Ketorolac

with CAS number

66635-83-4?

The chemical name of Ketorolac with CAS number 66635-83-4 is

(±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid.

What is the primary

use of Ketorolac

(CAS 66635-83-4)?

Ketorolac is primarily used as a nonsteroidal anti-inflammatory

drug (NSAID) for the short-term management of moderate to

severe pain.

What is the

molecular formula of

Ketorolac with CAS

66635-83-4?

The molecular formula of Ketorolac is C15H13NO3.

What are the

common routes of

administration for

Ketorolac (CAS

66635-83-4)?

Ketorolac can be administered orally, intramuscularly,

intravenously, or as eye drops.

What is the

mechanism of action

of Ketorolac (CAS

66635-83-4)?

Ketorolac works by inhibiting cyclooxygenase (COX-1 and COX-2)

enzymes, leading to decreased synthesis of prostaglandins,

which reduces inflammation and pain.

What are the

common side effects

of Ketorolac (CAS

66635-83-4)?

Common side effects include gastrointestinal issues such as

stomach pain, nausea, and ulcers, as well as dizziness and

headache.

Is Ketorolac (CAS

66635-83-4) safe for

long-term use?

No, Ketorolac is generally recommended for short-term use only,

typically not exceeding 5 days, due to risks of serious side

effects.

What precautions

should be taken

when using

Ketorolac (CAS

66635-83-4)?

Precautions include avoiding use in patients with active peptic

ulcers, bleeding disorders, kidney impairment, and those allergic

to NSAIDs.

What is the

molecular weight of

Ketorolac (CAS

66635-83-4)?

The molecular weight of Ketorolac is approximately 255.27

g/mol.

Can Ketorolac (CAS

66635-83-4) be used

during pregnancy?

Ketorolac is generally not recommended during pregnancy,

especially in the third trimester, due to potential risks to the

fetus and complications during delivery.

**Chemical Summary Ketorolac 66635 83 4: An In-Depth Review**

Chemical summary ketorolac 66635 83 4 serves as a foundational reference point for

understanding the pharmacological and chemical properties of ketorolac tromethamine, a

widely utilized nonsteroidal anti-inflammatory drug (NSAID). This compound, identifiable

by its unique CAS number 66635-83-4, plays a critical role in pain management and anti-

inflammatory therapies. A comprehensive exploration of ketorolac’s chemical profile

reveals not only its molecular structure and pharmacodynamics but also its clinical

applications, benefits, and limitations.

Understanding Ketorolac: Chemical and Pharmacological

Overview

Ketorolac tromethamine, represented chemically by CAS number 66635-83-4, is a potent

NSAID primarily employed for short-term management of moderate to severe pain. The

compound’s chemical structure includes a pyrrolizine carboxylic acid derivative, which

contributes to its mechanism of action by inhibiting cyclooxygenase (COX) enzymes. This

inhibition reduces prostaglandin synthesis, thereby alleviating inflammation and pain.

Its molecular formula, C15H13NO3, highlights the presence of aromatic rings and

functional groups essential to its bioactivity. The ketorolac molecule exists as a racemic

mixture, with the S-enantiomer largely responsible for its analgesic effects. The

compound’s solubility, stability, and pharmacokinetic profile are heavily influenced by this

stereochemistry, making it a subject of extensive chemical and clinical research.

Pharmacodynamics and Mechanism of Action

Ketorolac operates by non-selectively inhibiting both COX-1 and COX-2 isoenzymes. This

dual inhibition reduces the production of thromboxanes and prostaglandins, compounds

that mediate inflammation, fever, and pain. Unlike opioids, ketorolac does not directly

affect the central nervous system’s opioid receptors, making it a preferred alternative for

certain patient populations.

The chemical interactions that underpin this mechanism are rooted in the compound’s

acidic functional groups, which bind to the active sites of COX enzymes, blocking

substrate access. This interaction is crucial in diminishing the sensitization of nociceptors,

responsible for transmitting pain signals.

Clinical Applications and Usage Patterns

In clinical contexts, ketorolac 66635 83 4 is predominantly utilized for its analgesic and

anti-inflammatory properties. It is often administered postoperatively to manage acute

pain and can be delivered via oral, intramuscular, intravenous, or ophthalmic routes,

depending on the therapeutic need.

Advantages Over Other NSAIDs

**Potency:** Ketorolac’s analgesic effect is often compared to low-dose opioids,

offering significant pain relief without the risk of opioid dependency.

**Versatility:** The availability of multiple administration routes enhances its

applicability across different medical scenarios.

**Rapid Onset:** Intravenous and intramuscular forms provide quick pain relief,

which is beneficial in acute care settings.

Limitations and Risks

Despite its efficacy, ketorolac has limitations primarily related to its safety profile. The

inhibition of COX-1 can lead to adverse gastrointestinal effects, such as ulcers and

bleeding, particularly with prolonged use. Additionally, ketorolac is contraindicated in

patients with renal impairment or bleeding disorders due to its impact on platelet function

and renal blood flow.

Chemical Stability and Storage Considerations

From a chemical standpoint, ketorolac’s stability is influenced by factors such as pH,

temperature, and exposure to light. The compound is stable under acidic conditions but

may degrade when exposed to alkaline environments. Proper storage, typically in cool,

dry places away from direct sunlight, is essential to maintain its therapeutic efficacy.

Formulation Insights

Pharmaceutical formulations of ketorolac 66635 83 4 often include the tromethamine salt

to enhance solubility and bioavailability. This salt form improves dissolution rates in

aqueous environments, facilitating rapid onset of action. The development of ophthalmic

solutions and injectable forms also involves careful consideration of pH and osmolarity to

ensure patient safety and comfort.

Comparative Analysis with Related NSAIDs

Ketorolac’s chemical and therapeutic profile can be contrasted with other NSAIDs such as

ibuprofen, diclofenac, and naproxen. While all share the COX-inhibition mechanism,

ketorolac is distinguished by its relatively higher analgesic potency and shorter

recommended duration of use.

Ibuprofen: Generally used for mild to moderate pain with a longer safety profile for

1.

chronic use.

Diclofenac: Often prescribed for inflammatory conditions but associated with

2.

higher cardiovascular risks.

Naproxen: Has a longer half-life, making it suitable for chronic inflammatory

3.

diseases but less potent for acute severe pain.

In comparison, ketorolac’s chemical structure facilitates a more immediate and potent

analgesic effect but mandates strict adherence to dosing guidelines to mitigate risks.

Regulatory Status and Market Availability

Ketorolac 66635 83 4 holds approval from major regulatory bodies including the FDA and

EMA for specific indications. Its prescription status reflects recognition of its efficacy

balanced against potential adverse effects. The compound is marketed globally in various

formulations, with ongoing research aimed at optimizing its safety and expanding its

therapeutic uses.

Research and Development Trends

Recent scientific investigations focus on modifying ketorolac’s chemical structure to

minimize gastrointestinal toxicity while preserving analgesic efficacy. Nanotechnology-

based delivery systems and sustained-release formulations represent innovative

approaches to enhance patient compliance and treatment outcomes.

Emerging studies also explore ketorolac’s application in ophthalmology, where its anti-

inflammatory properties aid in managing postoperative inflammation and allergic

conjunctivitis.

Safety Profile and Monitoring

The clinical use of ketorolac necessitates vigilant monitoring for adverse effects,

particularly in vulnerable populations such as the elderly or those with preexisting renal or

cardiovascular conditions. Laboratory assessments often include renal function tests and

complete blood counts to detect early signs of toxicity.

Healthcare providers must weigh the therapeutic benefits against potential risks,

emphasizing patient education regarding dosage limits and symptom reporting.

The chemical summary ketorolac 66635 83 4 encapsulates a compound of significant

clinical value, characterized by a well-defined chemical structure and a potent

pharmacological profile. Its role within pain management paradigms continues to evolve

as research uncovers new facets of its efficacy and safety. Understanding the intricate

balance between its chemical properties and therapeutic applications is essential for

optimizing patient outcomes and advancing NSAID pharmacotherapy.

ketorolac, ketorolac tromethamine, NSAID, pain relief, anti-inflammatory, CAS 66635-83-4,

analgesic, cyclooxygenase inhibitor, pharmaceutical, drug summary