Skip to Content
Merck
CN

Key Documents

View All Documentation

PHR1908

Acetazolamide

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

Acetazolamide, 5-Acetamido-1,3,4-thiadiazole-2-sulfonamide, N-(5-Sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide, N-(5-[Aminosulfonyl]-1,3,4-thiadiazol-2-yl)acetamide

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C4H6N4O3S2
CAS Number:
59-66-5
Molecular Weight:
222.25
UNSPSC Code:
41116107
NACRES:
NA.24
EC Number:
200-440-5
MDL number:
MFCD00003105
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Level

300

grade

certified reference material, pharmaceutical secondary standard

agency

traceable to Ph. Eur. A0100000, traceable to USP 1005004

API family

acetazolamide

CofA

current certificate can be downloaded

packaging

pkg of 5 g

application(s)

pharmaceutical

format

neat

storage temp.

2-30°C

SMILES string

CC(=O)Nc1nnc(s1)S(N)(=O)=O

InChI

1S/C4H6N4O3S2/c1-2(9)6-3-7-8-4(12-3)13(5,10)11/h1H3,(H2,5,10,11)(H,6,7,9)

InChI key

BZKPWHYZMXOIDC-UHFFFAOYSA-N

Gene Information

human ... CA1(759), CA12(771), CA2(760), CA4(762)

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Application

Carbonic anhydrase inhibitor; increases cerebral blood flow.

Biochem/physiol Actions

Inhibits water permeability of membranes by interacting with aquaporins

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Other Notes

To see an example of a Certificate of Analysis for this material enter LRAB0911 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

监管及禁止进口产品

This item has

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Acetazolamide improves central sleep apnea in heart failure: a double-blind, prospective study.
Javaheri S.
American Journal of Respiratory and Critical Care Medicine, 173(2), 234-237 (2006)
RP-HPLC method development and validation for the estimation of acetazolamide in bulk drug and formulations with forced degradation studies.
Manchanda S.
Der Pharmacia Lettre, 8, 338-347 (2016)
Acetazolamide.
Parasrampuria J.
Anal. Profiles Drug Subst., 22, 1-32 (1993)

Global Trade Item Number

SKUGTIN
PHR1908-5G04061835220762

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service