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Pharmacopeial Impurities (EP / USP / BP)

Hydrochlorothiazide EP Impurity B

Reference StandardAvailable on request

Order Hydrochlorothiazide EP Impurity B (CAS 121-30-2) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Hydrochlorothiazide EP Impurity B chemical structure
CAS number121-30-2
FormulaC6H8ClN3O4S2
Molar mass285.7 g/mol
Physical formSolid
HS code38229090
InChIKeyIHJCXVZDYSXXFT-UHFFFAOYSA-N
IUPAC name4-amino-6-chlorobenzene-1,3-disulfonamide

About Hydrochlorothiazide EP Impurity B

Hydrochlorothiazide EP Impurity B belongs to the Hydrochlorothiazide reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 121-30-2, formula C6H8ClN3O4S2 and molar mass 285.7 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319, H335 and H373. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

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 B
Product nameHydrochlorothiazide EP Impurity B
Catalogue numberZX-020190
CAS number121-30-2
IUPAC name4-amino-6-chlorobenzene-1,3-disulfonamide
Molecular formulaC6H8ClN3O4S2
Molar mass285.7 g/mol
Exact mass284.9645
GradeReference Standard
Physical formSolid
XLogP3-0.5
H-bond donors / acceptors3 / 7
Topological polar surface area163 Ų
HS code38229090
InChIKeyIHJCXVZDYSXXFT-UHFFFAOYSA-N
SMILESC1=C(C(=CC(=C1Cl)S(=O)(=O)N)S(=O)(=O)N)N
PubChem CID67136
Synonyms4-Amino-6-chloro-1,3-benzenedisulfonamide, Hydrochlorothiazide - Impurity B, Hydrochlorothiazide Impurity B, Chloraminophenamide, Altizide EP Impurity A, Chloroaminophenamide, 1,3-Benzenedisulfonamide, 4-amino-6-chloro-, 3-Chloro-4,6-disulfamoylaniline, 5-Chloro-2,4-disulfamoylaniline, m-Benzenedisulfonamide, 4-amino-6-chloro-, 4-amino-6-chloro-benzene-1,3-disulfonamide, 2-Amino-4-chloro-m-benzenedisulfonamide

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
  • H335May cause respiratory irritation
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P260, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Hydrochlorothiazide EP Impurity B
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 B

Which CAS number identifies Hydrochlorothiazide EP Impurity B?
Hydrochlorothiazide EP Impurity B is registered under CAS 121-30-2. You may also see it listed as 4-Amino-6-chloro-1,3-benzenedisulfonamide, Hydrochlorothiazide - Impurity B, Hydrochlorothiazide Impurity B. Our catalogue number for this item is ZX-020190.
What are the formula and molar mass of Hydrochlorothiazide EP Impurity B?
For Hydrochlorothiazide EP Impurity B, its formula is C6H8ClN3O4S2 and its molar mass is 285.7 g/mol. The systematic (IUPAC) name is 4-amino-6-chlorobenzene-1,3-disulfonamide. InChIKey IHJCXVZDYSXXFT-UHFFFAOYSA-N lets you match it in any structure database.
How is Hydrochlorothiazide EP Impurity B used in pharmaceutical QC?
Hydrochlorothiazide EP Impurity B 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 B?
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 B?
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 B to my country?
Yes. Because Hydrochlorothiazide EP Impurity B 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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