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API Reference Standards

Estradiol Hemihydrate

Reference StandardAvailable on request

Estradiol Hemihydrate (CAS 35380-71-3) supplier Zemixal: C36H50O5, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.

Pack sizes
Estradiol Hemihydrate chemical structure
CAS number35380-71-3
FormulaC36H50O5
Molar mass562.8 g/mol
Physical formSolid
HS code38229090
InChIKeyZVVGLAMWAQMPDR-WVEWYJOQSA-N
IUPAC namebis((8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol);hydrate

About Estradiol Hemihydrate

Estradiol Hemihydrate is supplied by Zemixal as a characterised reference material for Estradiol analysis. For your records (Reference Standard), the material is defined by CAS 35380-71-3, formula C36H50O5 and molar mass 562.8 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

Hazard communication follows GHS (Danger: H350, H351, H360 and H362). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Estradiol

See every impurity, metabolite and related compound we list for this API.

Estradiol standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Estradiol Hemihydrate
Product nameEstradiol Hemihydrate
Catalogue numberZX-029341
CAS number35380-71-3
IUPAC namebis((8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol);hydrate
Molecular formulaC36H50O5
Molar mass562.8 g/mol
Exact mass562.3658
GradeReference Standard
Physical formSolid
H-bond donors / acceptors5 / 5
Topological polar surface area81.9 Ų
HS code38229090
InChIKeyZVVGLAMWAQMPDR-WVEWYJOQSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4)O.C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4)O.O
PubChem CID154274
Synonyms17b-Estradiol, beta-Estradiol semihydrate, beta-Estradiol hemihydrate, Estra-1,3,5(10)-triene-3,17beta-diol hydrate (2:1), Estra-1,3,5(10)-triene-3,17-diol (17beta)-, hydrate (2:1), Estra-1(10),2,4-triene-3,17beta-diol--water (2/1)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H350May cause cancer
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H362May cause harm to breast-fed children
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P260, P263, P264, P270, P273, P280, P318, P391, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Estradiol Hemihydrate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Estradiol Hemihydrate

Which CAS number identifies Estradiol Hemihydrate?
Estradiol Hemihydrate is registered under CAS 35380-71-3. You may also see it listed as 17b-Estradiol, beta-Estradiol semihydrate, beta-Estradiol hemihydrate. Our catalogue number for this item is ZX-029341.
What are the formula and molar mass of Estradiol Hemihydrate?
For Estradiol Hemihydrate, its formula is C36H50O5 and its molar mass is 562.8 g/mol. InChIKey ZVVGLAMWAQMPDR-WVEWYJOQSA-N lets you match it in any structure database.
How is Estradiol Hemihydrate used in pharmaceutical QC?
Estradiol Hemihydrate is a characterised reference material linked to Estradiol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Estradiol Hemihydrate?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Estradiol Hemihydrate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Estradiol Hemihydrate to my country?
Yes. Because Estradiol Hemihydrate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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