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Pharmacopeial Impurities (EP / USP / BP)

Clopamide EP Impurity C

Reference StandardAvailable on request

Buy Clopamide EP Impurity C (CAS 1205-30-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-021272.

Pack sizes
Clopamide EP Impurity C chemical structure
CAS number1205-30-7
FormulaC7H6ClNO4S
Molar mass235.65 g/mol
Physical formSolid
HS code38229090
InChIKeyFHQAWINGVCDTTG-UHFFFAOYSA-N
IUPAC name4-chloro-3-sulfamoylbenzoic acid

About Clopamide EP Impurity C

Clopamide EP Impurity C is supplied by Zemixal as a characterised reference material for Indapamide analysis. Identity at a glance (Reference Standard): CAS 1205-30-7, formula C7H6ClNO4S and molar mass 235.65 g/mol. It is handled as a solid.

Where it is used

  • 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 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Indapamide

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

Indapamide 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 Clopamide EP Impurity C
Product nameClopamide EP Impurity C
Catalogue numberZX-021272
CAS number1205-30-7
IUPAC name4-chloro-3-sulfamoylbenzoic acid
Molecular formulaC7H6ClNO4S
Molar mass235.65 g/mol
Exact mass234.9706
GradeReference Standard
Physical formSolid
XLogP30.6
H-bond donors / acceptors2 / 5
Topological polar surface area106 Ų
HS code38229090
InChIKeyFHQAWINGVCDTTG-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1C(=O)O)S(=O)(=O)N)Cl
PubChem CID14568
SynonymsBenzoic acid, 3-(aminosulfonyl)-4-chloro-, Sulfamido-3-chlorobenzoic acid, 4-Chloro-5-sulphamoylbenzoic acid, 3-(Aminosulfonyl)-4-chlorobenzoic acid, 4-Chloro-3-SulfamoYl-Benzoic Acid, 4-Chloro-3-sulfamoylbenzoicacid, 4-Chloro-3-Sulfamoyl Benzoic Acid, 3-Sulfamoyl-4-chlorobenzoic Acid, 4-Chloro-5-sulfamoylbenzoic Acid, Clopamide Impurity C, 3-(Aminosulfonyl)-4-chlorobenzoic acid #

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

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements 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 Clopamide EP Impurity C
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 Clopamide EP Impurity C

Which CAS number identifies Clopamide EP Impurity C?
Clopamide EP Impurity C is registered under CAS 1205-30-7. You may also see it listed as Benzoic acid, 3-(aminosulfonyl)-4-chloro-, Sulfamido-3-chlorobenzoic acid, 4-Chloro-5-sulphamoylbenzoic acid. Our catalogue number for this item is ZX-021272.
What are the formula and molar mass of Clopamide EP Impurity C?
For Clopamide EP Impurity C, its formula is C7H6ClNO4S and its molar mass is 235.65 g/mol. The systematic (IUPAC) name is 4-chloro-3-sulfamoylbenzoic acid. InChIKey FHQAWINGVCDTTG-UHFFFAOYSA-N lets you match it in any structure database.
How is Clopamide EP Impurity C used in pharmaceutical QC?
Clopamide EP Impurity C is a characterised reference material linked to Indapamide. 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 Clopamide EP Impurity C?
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 Clopamide EP Impurity C?
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 Clopamide EP Impurity C to my country?
Yes. Because Clopamide EP Impurity C 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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