Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
API Reference StandardsReference StandardAvailable on request

Estramustine Disodium Phosphate

Synonyms: Estramustine phosphate sodium · Estramustine sodium phosphate · Estramustine phosphate disodium · Estradiol 3-(bis(2-chloroethyl)carbamate) 17-(dihydrogen phosphate), disodium salt

CAS No.52205-73-9
FormulaC23H30Cl2NNa2O6P
Mol. weight564.30
Catalogue No.VQ-048273
PurityReference Standard
HSN38229090

Estramustine Disodium Phosphate (CAS 52205-73-9) – Estradiol reference standard. C23H30Cl2NNa2O6P, MW 564.3. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Estramustine Disodium Phosphate

Vaqora Chemicals supplies Estramustine Disodium Phosphate, a high-purity reference standard of Estradiol registered under CAS number 52205-73-9. With the molecular formula C23H30Cl2NNa2O6P, it has a molar mass of 564.3 g/mol. Alternative names: Estramustine phosphate sodium and Estramustine sodium phosphate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this Estradiol standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Estramustine Disodium Phosphate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Estradiol

View every impurity, metabolite and intermediate we list for Estradiol.

Estradiol impurities

Specifications & identifiers

Chemical identifiers
Product nameEstramustine Disodium Phosphate
Catalogue No.VQ-048273
CAS Number52205-73-9
IUPAC namedisodium;[(8R,9S,13S,14S,17S)-3-[bis(2-chloroethyl)carbamoyloxy]-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] phosphate
Molecular formulaC23H30Cl2NNa2O6P
Molecular weight564.3 g/mol
Exact mass563.0983
GradeReference Standard
HSN code38229090
InChIKeyIIUMCNJTGSMNRO-VVSKJQCTSA-L
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2OP(=O)([O-])[O-])CCC4=C3C=CC(=C4)OC(=O)N(CCCl)CCCl.[Na+].[Na+]
PubChem CID444000
Physical properties
Physical formSolid
H-bond donors / acceptors0 / 6
TPSA102 Ų
SynonymsEstramustine phosphate sodium, Estramustine sodium phosphate, Estramustine phosphate disodium, Estradiol 3-(bis(2-chloroethyl)carbamate) 17-(dihydrogen phosphate), disodium salt, Estramustine 17-(dihydrogenphosphate) disodium salt anhydrous, Estramustine 17-(dihydrogenphosphate) disodium salt monohydrate, Leo-299, Phosphate Sodium, Estramustine, Estramustine 17-(Dihydrogenphosphate) Disodium Salt, Leo 299, Estramustine Phosphate (sodium salt), Estramustine phosphate sodium (USAN)

Safety & hazard information (GHS)

GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H361Suspected of damaging fertility or the unborn child
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P280, P318, P319, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Estramustine Disodium Phosphate?

The CAS Registry Number of Estramustine Disodium Phosphate is 52205-73-9. It is also known as Estramustine phosphate sodium, Estramustine sodium phosphate, Estramustine phosphate disodium.

What is the molecular formula and molecular weight of Estramustine Disodium Phosphate?

Estramustine Disodium Phosphate has the molecular formula C23H30Cl2NNa2O6P and a molecular weight of 564.3 g/mol.

What is Estramustine Disodium Phosphate used for?

Estramustine Disodium Phosphate is supplied as a characterised reference material related to Estradiol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Estramustine Disodium Phosphate can I order?

We supply Estramustine Disodium Phosphate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Estramustine Disodium Phosphate?

Yes. Every lot of Estramustine Disodium Phosphate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Estramustine Disodium Phosphate be shipped internationally?

Yes. Estramustine Disodium Phosphate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Estramustine Disodium Phosphate

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

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

Reference Standard
Estramustine chemical structure
Estramustine
CAS
2998-57-4
Formula
C23H31Cl2NO3
MW
440.4 g/mol
VQ-048272

More in API Reference Standards →