API Process Intermediates & Related Compounds

Imidazole-1-sulfonic Acid

Name: Imidazole-1-sulfonic Acid
Brand: Zemixal
SKU: ZX-038970

Available on request

Buy Imidazole-1-sulfonic Acid (CAS 21108-81-6) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-038970.

Pack sizes

Imidazole-1-sulfonic Acid chemical structure

CAS number21108-81-6

FormulaC₃H₄N₂O₃S

Molar mass148.14 g/mol

Physical formSolid

HS code2933

InChIKeyDJQSZCMOJNOVPS-UHFFFAOYSA-N

IUPAC nameimidazole-1-sulfonic acid

About Imidazole-1-sulfonic Acid

Imidazole-1-sulfonic Acid is part of the Zemixal API Process Intermediates & Related Compounds range. For your records, the material is defined by CAS 21108-81-6, formula C3H4N2O3S and molar mass 148.14 g/mol. It is handled as a solid.

Common uses in the lab and plant

API route development
Impurity fate & purge studies
Analytical method development

Safe handling

No GHS classification is recorded for this item, but handle it with normal laboratory care.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Clofarabine

See every impurity, metabolite and related compound we list for this API.

Clofarabine standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Imidazole-1-sulfonic Acid
Product name	Imidazole-1-sulfonic Acid
Catalogue number	ZX-038970
CAS number	21108-81-6
IUPAC name	imidazole-1-sulfonic acid
Molecular formula	C₃H₄N₂O₃S
Molar mass	148.14 g/mol
Exact mass	147.9943
Physical form	Solid
XLogP3	-0.8
H-bond donors / acceptors	1 / 4
Topological polar surface area	80.6 Å²
HS code	2933
InChIKey	DJQSZCMOJNOVPS-UHFFFAOYSA-N
SMILES	C1=CN(C=N1)S(=O)(=O)O
PubChem CID	275086
Synonyms	1H-Imidazole-1-sulfonic Acid

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Imidazole-1-sulfonic Acid
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

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

Questions about Imidazole-1-sulfonic Acid

Which CAS number identifies Imidazole-1-sulfonic Acid?

Imidazole-1-sulfonic Acid is registered under CAS 21108-81-6. You may also see it listed as 1H-Imidazole-1-sulfonic Acid. Our catalogue number for this item is ZX-038970.

What are the formula and molar mass of Imidazole-1-sulfonic Acid?

For Imidazole-1-sulfonic Acid, its formula is C3H4N2O3S and its molar mass is 148.14 g/mol. The systematic (IUPAC) name is imidazole-1-sulfonic acid. InChIKey DJQSZCMOJNOVPS-UHFFFAOYSA-N lets you match it in any structure database.

How is Imidazole-1-sulfonic Acid used in pharmaceutical QC?

Imidazole-1-sulfonic Acid is a characterised reference material linked to Clofarabine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Imidazole-1-sulfonic Acid?

The grade and assay are confirmed on the quotation and the batch COA. 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 Imidazole-1-sulfonic Acid?

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 Imidazole-1-sulfonic Acid to my country?

Yes. Imidazole-1-sulfonic Acid ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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