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API Impurities

Acetazolamide

Reference StandardAvailable on request

Buy Acetazolamide (CAS 59-66-5) from Zemixal: C4H6N4O3S2, COA and SDS with every lot, worldwide shipping. Exported from India with full paperwork.

Pack sizes
Acetazolamide chemical structure
CAS number59-66-5
FormulaC4H6N4O3S2
Molar mass222.3 g/mol
Physical formSolid
HS code38229090
InChIKeyBZKPWHYZMXOIDC-UHFFFAOYSA-N
IUPAC nameN-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide

About Acetazolamide

Acetazolamide sits in our API Impurities section and ships worldwide from stock or short lead time. Key data (Reference Standard): CAS 59-66-5, formula C4H6N4O3S2 and molar mass 222.3 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Warning (H315 and H319), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Acetazolamide
Product nameAcetazolamide
Catalogue numberZX-019778
CAS number59-66-5
IUPAC nameN-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide
Molecular formulaC4H6N4O3S2
Molar mass222.3 g/mol
Exact mass221.9881
GradeReference Standard
Physical formSolid
XLogP3-0.3
H-bond donors / acceptors2 / 7
Topological polar surface area152 Ų
HS code38229090
InChIKeyBZKPWHYZMXOIDC-UHFFFAOYSA-N
SMILESCC(=O)NC1=NN=C(S1)S(=O)(=O)N
PubChem CID1986
SynonymsNephramide, Dehydratin, Diutazol, 5-Acetamido-1,3,4-thiadiazole-2-sulfonamide, Acetazoleamide, Diureticum-holzinger, Acetamidothiadiazolesulfonamide, 4-Diamox, Acetamide, N-[5-(aminosulfonyl)-1,3,4-thiadiazol-2-yl]-, Carbonic Anhydrase Inhibitor No. 6063, 2-Acetylamino-1,3,4-thiadiazole-5-sulfonamide, 2-Acetamido-5-sulfonamido-1,3,4-thiadiazole

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P203, P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P318, P321, P332 + P317, P337 + P317, P362 + P364, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Acetazolamide
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Acetazolamide

Which CAS number identifies Acetazolamide?
Acetazolamide is registered under CAS 59-66-5. You may also see it listed as Nephramide, Dehydratin, Diutazol. Our catalogue number for this item is ZX-019778.
What are the formula and molar mass of Acetazolamide?
For Acetazolamide, its formula is C4H6N4O3S2 and its molar mass is 222.3 g/mol. The systematic (IUPAC) name is N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide. InChIKey BZKPWHYZMXOIDC-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Acetazolamide?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Acetazolamide?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Acetazolamide to my country?
Yes. Because Acetazolamide is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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