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Pharmacopeial Impurities (EP / USP / BP)

Hydrochlorothiazide EP Impurity A

Reference StandardAvailable on request

Hydrochlorothiazide EP Impurity A (CAS 58-94-6) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021181.

Pack sizes
Hydrochlorothiazide EP Impurity A chemical structure
CAS number58-94-6
FormulaC7H6ClN3O4S2
Molar mass295.7 g/mol
Physical formSolid
HS code38229090
InChIKeyJBMKAUGHUNFTOL-UHFFFAOYSA-N
IUPAC name6-chloro-1,1-dioxo-4H-1lambda6,2,4-benzothiadiazine-7-sulfonamide

About Hydrochlorothiazide EP Impurity A

Hydrochlorothiazide EP Impurity A is supplied by Zemixal as a characterised reference material for Hydrochlorothiazide analysis. Key data (Reference Standard): CAS 58-94-6, formula C7H6ClN3O4S2 and molar mass 295.7 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Danger (H317 and H334), 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.

Reference standards for Hydrochlorothiazide

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

Hydrochlorothiazide standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Hydrochlorothiazide EP Impurity A
Product nameHydrochlorothiazide EP Impurity A
Catalogue numberZX-021181
CAS number58-94-6
IUPAC name6-chloro-1,1-dioxo-4H-1lambda6,2,4-benzothiadiazine-7-sulfonamide
Molecular formulaC7H6ClN3O4S2
Molar mass295.7 g/mol
Exact mass294.9488
GradeReference Standard
Physical formSolid
XLogP3-0.2
H-bond donors / acceptors2 / 6
Topological polar surface area135 Ų
HS code38229090
InChIKeyJBMKAUGHUNFTOL-UHFFFAOYSA-N
SMILESC1=C2C(=CC(=C1Cl)S(=O)(=O)N)S(=O)(=O)N=CN2
PubChem CID2720
SynonymsChlorothiazide, Hydrochlorothiazide - Impurity A, Chlorthiazide, Chlotride, Chlorosal, Clotride, Diuresal, Warduzide, Alurene, Diurite, Saluric, Neo-Dema

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 Danger

  • H317May cause an allergic skin reaction
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P403, 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 Hydrochlorothiazide EP Impurity A
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 Hydrochlorothiazide EP Impurity A

Which CAS number identifies Hydrochlorothiazide EP Impurity A?
Hydrochlorothiazide EP Impurity A is registered under CAS 58-94-6. You may also see it listed as Chlorothiazide, Hydrochlorothiazide - Impurity A, Chlorthiazide. Our catalogue number for this item is ZX-021181.
What are the formula and molar mass of Hydrochlorothiazide EP Impurity A?
For Hydrochlorothiazide EP Impurity A, its formula is C7H6ClN3O4S2 and its molar mass is 295.7 g/mol. The systematic (IUPAC) name is 6-chloro-1,1-dioxo-4H-1lambda6,2,4-benzothiadiazine-7-sulfonamide. InChIKey JBMKAUGHUNFTOL-UHFFFAOYSA-N lets you match it in any structure database.
How is Hydrochlorothiazide EP Impurity A used in pharmaceutical QC?
Hydrochlorothiazide EP Impurity A is a characterised reference material linked to Hydrochlorothiazide. 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 Hydrochlorothiazide EP Impurity A?
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 Hydrochlorothiazide EP Impurity A?
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 Hydrochlorothiazide EP Impurity A to my country?
Yes. Because Hydrochlorothiazide EP Impurity A 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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