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VAQORACHEMICALS
Impurity reference standards

Doxycycline impurities & reference standards

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

14reference materials
COAHPLC · NMR · MS on request
Parent API: Doxycycline HCl
10592-13-9 · C22H25ClN2O8
View API
Reference Standard
6-Epidoxycycline chemical structure
6-Epidoxycycline
CAS
3219-99-6
Formula
C22H24N2O8
MW
444.4 g/mol
VQ-022443
Reference Standard
Doxycycline chemical structure
Doxycycline
CAS
564-25-0
Formula
C22H24N2O8
MW
444.4 g/mol
VQ-007438
Reference Standard
Doxycycline D3
Doxycycline D3
CAS
2747918-45-0
Formula
C22H21D3N2O8
MW
447.45 g/mol
VQ-048099
IP/BP/USP
Doxycycline HCl chemical structure
Doxycycline HCl
CAS
10592-13-9
Formula
C22H25ClN2O8
MW
480.9 g/mol
VQ-003924
Reference Standard
Doxycycline Hyclate chemical structure
Doxycycline Hyclate
CAS
24390-14-5
Formula
C46H58Cl2N4O18
MW
1025.9 g/mol
VQ-025403

FAQs — Doxycycline impurities

Which Doxycycline impurities do you supply?

We list 14 Doxycycline-related reference materials, including process impurities, degradation products and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.

What are Doxycycline 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 Doxycycline 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 Doxycycline impurity standards

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