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Pharmacopeial Impurities (EP / USP / BP)

Glibenclamide EP Impurity B

Reference StandardAvailable on request

Buy Glibenclamide EP Impurity B (CAS 21165-77-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-021787.

Pack sizes
Glibenclamide EP Impurity B chemical structure
CAS number21165-77-5
FormulaC18H19ClN2O6S
Molar mass426.9 g/mol
Physical formSolid
HS code38229090
InChIKeyFHUMMCKSSXULQH-UHFFFAOYSA-N
IUPAC namemethyl N-[4-[2-[(5-chloro-2-methoxybenzoyl)amino]ethyl]phenyl]sulfonylcarbamate

About Glibenclamide EP Impurity B

Glibenclamide EP Impurity B belongs to the Glyburide reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 21165-77-5, formula C18H19ClN2O6S and molar mass 426.9 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H302. 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. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Glyburide

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

Glyburide 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 Glibenclamide EP Impurity B
Product nameGlibenclamide EP Impurity B
Catalogue numberZX-021787
CAS number21165-77-5
IUPAC namemethyl N-[4-[2-[(5-chloro-2-methoxybenzoyl)amino]ethyl]phenyl]sulfonylcarbamate
Molecular formulaC18H19ClN2O6S
Molar mass426.9 g/mol
Exact mass426.0652
GradeReference Standard
Physical formSolid
XLogP33
H-bond donors / acceptors2 / 6
Topological polar surface area119 Ų
HS code38229090
InChIKeyFHUMMCKSSXULQH-UHFFFAOYSA-N
SMILESCOC1=C(C=C(C=C1)Cl)C(=O)NCCC2=CC=C(C=C2)S(=O)(=O)NC(=O)OC
PubChem CID88812
SynonymsGlyburide USP Related Compound B, Glibenclamide - Impurity B, Methyl N-(4-(2-(5-chloro-2-methoxybenzamido)ethyl)benzenesulphonyl)carbamate, Methyl N-(4-(2-(5-chloro-2-methoxybenzamido)ethyl)benzenesulfonyl)carbamate, Methyl N-(4-(2-(5-chloro-2-methoxybenzamido)ethyl) benzene sulphonyl) carbamate, Methyl [[4-[2-[(5-Chloro-2-methoxybenzoyl)amino]ethyl]phenyl]sulphonyl]carbamate, Methyl (4-(2-(5-chloro-2-methoxybenzamido)ethyl)phenyl)sulfonylcarbamate, Methyl N-4[2-(5-Chloro-2-Methoxybenzamido)Ethyl]Benzenesulfonylcarbamate, Methyl {4-[2-(5-chloro-2-methoxybenzamido)ethyl]benzene-1-sulfonyl}carbamate

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

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Glibenclamide 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 Glibenclamide EP Impurity B

Which CAS number identifies Glibenclamide EP Impurity B?
Glibenclamide EP Impurity B is registered under CAS 21165-77-5. You may also see it listed as Glyburide USP Related Compound B, Glibenclamide - Impurity B, Methyl N-(4-(2-(5-chloro-2-methoxybenzamido)ethyl)benzenesulphonyl)carbamate. Our catalogue number for this item is ZX-021787.
What are the formula and molar mass of Glibenclamide EP Impurity B?
For Glibenclamide EP Impurity B, its formula is C18H19ClN2O6S and its molar mass is 426.9 g/mol. The systematic (IUPAC) name is methyl N-[4-[2-[(5-chloro-2-methoxybenzoyl)amino]ethyl]phenyl]sulfonylcarbamate. InChIKey FHUMMCKSSXULQH-UHFFFAOYSA-N lets you match it in any structure database.
How is Glibenclamide EP Impurity B used in pharmaceutical QC?
Glibenclamide EP Impurity B is a characterised reference material linked to Glyburide. 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 Glibenclamide 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 Glibenclamide 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 Glibenclamide EP Impurity B to my country?
Yes. Because Glibenclamide 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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