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VAQORACHEMICALS
Impurity reference standards

Carbocisteine impurities & reference standards

Characterised Carbocisteine impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.

12reference materials
1isotope-labelled
COAHPLC · NMR · MS on request
Reference Standard
Carbocisteine chemical structure
Carbocisteine
CAS
638-23-3
Formula
C5H9NO4S
MW
179.2 g/mol
VQ-022007
Reference Standard
Carbocisteine-13C3 chemical structure
Carbocisteine-13C3
CAS
1391068-19-1
Formula
C5H9NO4S
MW
179.2 g/mol
VQ-024779
Reference Standard
Carbodenafil chemical structure
Carbodenafil
CAS
944241-52-5
Formula
C24H32N6O3
MW
452.5 g/mol
VQ-035455

FAQs — Carbocisteine impurities

Which Carbocisteine impurities do you supply?

We list 12 Carbocisteine-related reference materials, including process impurities, degradation products, stable-isotope-labelled standards and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.

What are Carbocisteine impurity standards used for?

They are used for analytical method development and validation, impurity identification and quantification, forced-degradation and stability studies, and to support ANDA, DMF and other regulatory submissions under ICH Q3A/Q3B (and ICH M7 for mutagenic impurities).

Can you synthesise a Carbocisteine impurity that is not listed?

Yes. Our custom synthesis service can prepare and characterise unlisted impurities, metabolites and labelled analogues from milligram to gram scale. Share the structure or name and required quantity for a quotation.

Request Carbocisteine impurity standards

We reply within one business day with price, pack options, lead time and documentation.

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