![[1S-(1α,3Aβ,4β,7aα)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one chemical structure](/media/structures/URXOPPKRKXBFSM-USJZOSNVSA-N.svg)
[1S-(1α,3Aβ,4β,7aα)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one
- CAS
- 57780-81-1
- Formula
- C18H24O4
- MW
- 304.4 g/mol
VQ-030598
Impurity reference standards
Estradiol impurities & reference standards
Characterised Estradiol impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
55reference materials
2isotope-labelled
COAHPLC · NMR · MS on request
Parent API: Estradiol Valerate
979-32-8 · C23H32O3
FAQs — Estradiol impurities
Which Estradiol impurities do you supply?
We list 55 Estradiol-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 Estradiol 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 Estradiol 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 Estradiol impurity standards
We reply within one business day with price, pack options, lead time and documentation.