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API Impurities

2-Methoxy 17-β-Estradiol

Reference StandardAvailable on request

Order 2-Methoxy 17-β-Estradiol (CAS 362-07-2) online at Zemixal: C19H26O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
2-Methoxy 17-β-Estradiol chemical structure
CAS number362-07-2
FormulaC19H26O3
Molar mass302.4 g/mol
Physical formSolid
HS code38229090
InChIKeyCQOQDQWUFQDJMK-SSTWWWIQSA-N
IUPAC name(8R,9S,13S,14S,17S)-2-methoxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol

About 2-Methoxy 17-β-Estradiol

Analytical teams working on Estradiol use 2-Methoxy 17-β-Estradiol as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 362-07-2, formula C19H26O3 and molar mass 302.4 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Danger: H301+H311+H331, H301, H311 and H315). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Estradiol

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

Estradiol standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 2-Methoxy 17-β-Estradiol
Product name2-Methoxy 17-β-Estradiol
Catalogue numberZX-036466
CAS number362-07-2
IUPAC name(8R,9S,13S,14S,17S)-2-methoxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC19H26O3
Molar mass302.4 g/mol
Exact mass302.1882
GradeReference Standard
Physical formSolid
XLogP34
H-bond donors / acceptors2 / 3
Topological polar surface area49.7 Ų
HS code38229090
InChIKeyCQOQDQWUFQDJMK-SSTWWWIQSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=CC(=C(C=C34)OC)O
PubChem CID66414
Synonyms2-Methoxyestradiol, 2-Methoxyestradiol-17beta, 2-ME2, 2-Hydroxyestradol 2-methyl ether, 2ME2, 2-methoxy-17beta-estradiol, 2-methoxyoestradiol, (17beta)-2-Methoxyestra-1,3,5(10)-triene-3,17-diol, 2-Methoxyestra-1,3,5(10)-triene-3,17beta-diol, Estra-1,3,5(10)-triene-3,17-diol, 2-methoxy-, (17beta)-, 2-methoxy-estra-1,3,5(10)-triene-3,17beta-diol

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301+H311+H331Toxic if swallowed, in contact with skin or if inhaled
  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H331Toxic if inhaled
  • H335May cause respiratory irritation
  • H350May cause cancer
  • H360May damage fertility or the unborn child
  • H372Causes damage to organs through prolonged or repeated exposure
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P260, P261, P262, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P318, P319, P321, P330, P332 + P317, P337 + P317, P361 + P364, P362 + P364, P391

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 2-Methoxy 17-β-Estradiol
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 2-Methoxy 17-β-Estradiol

Which CAS number identifies 2-Methoxy 17-β-Estradiol?
2-Methoxy 17-β-Estradiol is registered under CAS 362-07-2. You may also see it listed as 2-Methoxyestradiol, 2-Methoxyestradiol-17beta, 2-ME2. Our catalogue number for this item is ZX-036466.
What are the formula and molar mass of 2-Methoxy 17-β-Estradiol?
For 2-Methoxy 17-β-Estradiol, its formula is C19H26O3 and its molar mass is 302.4 g/mol. The systematic (IUPAC) name is (8R,9S,13S,14S,17S)-2-methoxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol. InChIKey CQOQDQWUFQDJMK-SSTWWWIQSA-N lets you match it in any structure database.
How is 2-Methoxy 17-β-Estradiol used in pharmaceutical QC?
2-Methoxy 17-β-Estradiol 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 2-Methoxy 17-β-Estradiol?
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 2-Methoxy 17-β-Estradiol?
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 2-Methoxy 17-β-Estradiol to my country?
Yes. Because 2-Methoxy 17-β-Estradiol 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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