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ChemicalBook >> CAS DataBase List >> Estriol

Estriol

Estriol price.
  • $16 - $1720
  • Product name: Estriol
  • CAS: 50-27-1
  • MF: C18H24O3
  • MW: 288.38
  • EINECS:200-022-2
  • MDL Number:MFCD00003691
  • Synonyms:E 3;ESTRIOL;ESTRA-1,3,5(10)-TRIENE-3,16ALPHA,17BETA-TRIOL;TRIDESTRIN;ESTRIOL(P);Estriol,1,3,5(10)-Estratriene-3,16α,17β-triol, 16α-Hydroxyestradiol, 3,16α,17β-Trihydroxy-1,3,5(10)-estratriene;Estriol (100 mg);1,3,5(10)-Estratriene-3,16α,17β-triol, 16α-Hydroxyestradiol, 3,16α,17β-Trihydroxy-1,3,5(10)-estratriene
Price93 Properties Safety Information Description
93 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • ApexBio Technology
  • Arctom
  • AvaChem
  • Biosynth
  • Cayman Chemical
  • ChemScene
  • Crysdot
  • IsoSciences
  • Matrix Scientific
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 50mg
  • 100mg
  • 500ul
  • 10mM*1mLinDMSO(Solution)
  • 1mg
  • 10mg
  • 25mg
  • 1mL(50ug/mL)
  • y0001971
  • 1unit
  • e1680000
  • 5MG
  • 200MG
  • 1mL(100ug/mL)
  • 20mg
  • 10mM*1mLinDMSO(Solid+Solvent)
  • 500mg
  • 1mL
  • 1g
  • 2g
  • 5g
  • 10g
  • 10 mg
  • 70 mg
  • 96Tests
  • EvaluationSample
  • 1000mg
  • 10mM(in1mLDMSO)
  • 5000mg
  • 25g
  • 50g
  • 10mM(1mLinDMSO)
  • 10mM(in 1mL DMSO)
  • 100g
  • 250g
  • Manufactureraablocks
  • Product numberAA003A81
  • Product description(16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol ≥95%
  • Packaging100mg
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003A81
  • Product description(16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol ≥98%
  • Packaging1g
  • Price$20
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003A81
  • Product description(16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol ≥98%
  • Packaging5g
  • Price$70
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberAD254572
  • Product descriptionEstriol 98%
  • Packaging5G
  • Price$70
  • Updated2026-05-27
  • Buy
  • ManufacturerAHH
  • Product numberMT-50837
  • Product descriptionEstriol 97%
  • Packaging10g
  • Price$300
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-50837
  • Product descriptionEstriol 97%
  • Packaging10g
  • Price$300
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberH065
  • Product descriptionEstriol 98%(HPLC)
  • Packaging1g
  • Price$130
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ10208
  • Product descriptionEstriol 99%(HPLC)
  • Packaging1g
  • Price$182
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ93755
  • Product descriptionEstriol
  • Packaging5g
  • Price$95
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ10208
  • Product descriptionEstriol 99%(HPLC)
  • Packaging500mg
  • Price$106
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberH065
  • Product descriptionEstriol 98%(HPLC)
  • Packaging500mg
  • Price$78
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ10208
  • Product descriptionEstriol 99%(HPLC)
  • Packaging100mg
  • Price$42
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberH065
  • Product descriptionEstriol 98%(HPLC)
  • Packaging100mg
  • Price$30
  • Updated2026-06-04
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberSHG0020396
  • Product description1,3,5(10)-ESTRATRIEN-3,16ALPHA,17BETA-TRIOL 95.00%
  • Packaging5MG
  • Price$450.53
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB1507
  • Product descriptionEstriol
  • Packaging1unit
  • Price$28
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB1507
  • Product descriptionEstriol
  • PackagingEvaluationSample
  • Price$30
  • Updated2026-05-06
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003A81 (16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol ≥95% 100mg $16 2026-05-28 Buy
aablocks AA003A81 (16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol ≥98% 1g $20 2026-05-28 Buy
aablocks AA003A81 (16α,17β)-Estra-1,3,5(10)-triene-3,16,17-triol ≥98% 5g $70 2026-05-28 Buy
ACHEMBLOCK AD254572 Estriol 98% 5G $70 2026-05-27 Buy
AHH MT-50837 Estriol 97% 10g $300 2026-05-25 Buy
AHH MT-50837 Estriol 97% 10g $300 2026-05-26 Buy
AK Scientific H065 Estriol 98%(HPLC) 1g $130 2026-06-04 Buy
AK Scientific J10208 Estriol 99%(HPLC) 1g $182 2026-06-04 Buy
AK Scientific J93755 Estriol 5g $95 2021-12-16 Buy
AK Scientific J10208 Estriol 99%(HPLC) 500mg $106 2026-06-04 Buy
AK Scientific H065 Estriol 98%(HPLC) 500mg $78 2026-06-04 Buy
AK Scientific J10208 Estriol 99%(HPLC) 100mg $42 2026-06-04 Buy
AK Scientific H065 Estriol 98%(HPLC) 100mg $30 2026-06-04 Buy
American Custom Chemicals Corporation SHG0020396 1,3,5(10)-ESTRATRIEN-3,16ALPHA,17BETA-TRIOL 95.00% 5MG $450.53 2021-12-16 Buy
ApexBio Technology B1507 Estriol 1unit $28 2021-12-16 Buy
ApexBio Technology B1507 Estriol EvaluationSample $30 2026-05-06 Buy
Next Last

Properties

Melting point :280-282 °C(lit.)
alpha :D25 +58° ±5° (0.04 g in 1 ml dioxane)
Boiling point :370.61°C (rough estimate)
Density :1.27
refractive index :58 ° (C=0.4, Dioxane)
Flash point :9℃
storage temp. :2-8°C
solubility :Practically insoluble in water, sparingly soluble in ethanol (96 per cent).
form :Solid
pka :pKa 10.38±0.02(H2O t=23±2 Iunspecied) (Uncertain)
color :White to Off-White
optical activity :+6127 (95% ethanol)
Water Solubility :3.2mg/L(25 ºC)
Merck :3707
BRN :2508172
Henry's Law Constant :7.6×106 mol/(m3Pa) at 25℃, HSDB (2015)
InChI :1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17+,18+/m1/s1
InChIKey :PROQIPRRNZUXQM-ZXXIGWHRSA-N
SMILES :C[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1C[C@@H](O)[C@@H]2O
CAS DataBase Reference :50-27-1(CAS DataBase Reference)
NIST Chemistry Reference :Estriol(50-27-1)
EPA Substance Registry System :Estriol (50-27-1)

Safety Information

Symbol(GHS): Health Hazard (GHS08)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H362 May cause harm to breast-fed children Reproductive toxicity, effects on or via lactation Additional category P201, P260, P263, P264, P270,P308+P313
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P263 Avoid contact during pregnancy/while nursing.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P308+P313 IF exposed or concerned: Get medical advice/attention.

Description

Estriol acts as an antagonist of the GPR30-dependent pathway. Estriol’s efficacy is due to the interference between estradiol-induced positive cooperative binding and receptor dimerization, as well as the binding of hER complexes to ERE. Estriol is an inhibitor of GPR30.

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