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VAQORACHEMICALS
Impurity reference standards

Tacrolimus impurities & reference standards

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

30reference materials
1isotope-labelled
COAHPLC · NMR · MS on request
Parent API: Tacrolimus
104987-11-3 · C44H69NO12
View API
Reference Standard
8-Epitacrolimus chemical structure
8-Epitacrolimus
CAS
129212-35-7
Formula
C44H69NO12
MW
804 g/mol
VQ-028168
Reference Standard
9-Norketo FK-506 chemical structure
9-Norketo FK-506
CAS
123719-19-7
Formula
C43H69NO11
MW
776 g/mol
VQ-028179
Reference Standard
Ascomycin chemical structure
Ascomycin
CAS
104987-12-4
Formula
C43H69NO12
MW
792 g/mol
VQ-028165
Reference Standard
Methyl Nervonate chemical structure
Methyl Nervonate
CAS
2733-88-2
Formula
C25H48O2
MW
380.6 g/mol
VQ-028169
IP/BP/USP
Tacrolimus chemical structure
Tacrolimus
CAS
104987-11-3
Formula
C44H69NO12
MW
804 g/mol
VQ-004253
Reference Standard
Tacrolimus chemical structure
Tacrolimus
CAS
104987-11-3
Formula
C44H69NO12
MW
804 g/mol
In stock
Reference Standard
Tacrolimus 31 DMT chemical structure
Tacrolimus 31 DMT
CAS
127984-76-3
Formula
C43H67NO12
MW
790 g/mol
VQ-043310
Reference Standard
Tacrolimus Diene chemical structure
Tacrolimus Diene
CAS
104987-16-8
Formula
C44H67NO11
MW
786 g/mol
VQ-028166
Reference Standard
Tacrolimus-13C,d2 chemical structure
Tacrolimus-13C,d2
CAS
1356841-89-8
Formula
C44H69NO12
MW
807 g/mol
VQ-042336

FAQs — Tacrolimus impurities

Which Tacrolimus impurities do you supply?

We list 30 Tacrolimus-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 Tacrolimus 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 Tacrolimus 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 Tacrolimus impurity standards

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

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