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VAQORACHEMICALS
Impurity reference standards

Sulfadimethoxine impurities & reference standards

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

9reference materials
2isotope-labelled
COAHPLC · NMR · MS on request
Reference Standard
Sulfadimethoxine chemical structure
Sulfadimethoxine
CAS
122-11-2
Formula
C12H14N4O4S
MW
310.33 g/mol
VQ-028139
Reference Standard
Sulfadimethoxine-d4 chemical structure
Sulfadimethoxine-d4
CAS
1020719-80-5
Formula
C12H14N4O4S
MW
314.36 g/mol
VQ-042297
Reference Standard
Sulfadimethoxine-d6 chemical structure
Sulfadimethoxine-d6
CAS
73068-02-7
Formula
C12H14N4O4S
MW
316.37 g/mol
VQ-042296
Reference Standard
Sulfametomidine chemical structure
Sulfametomidine
CAS
3772-76-7
Formula
C12H14N4O3S
MW
294.33 g/mol
VQ-033974

FAQs — Sulfadimethoxine impurities

Which Sulfadimethoxine impurities do you supply?

We list 9 Sulfadimethoxine-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 Sulfadimethoxine 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 Sulfadimethoxine 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 Sulfadimethoxine impurity standards

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