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ChemicalBook >> CAS DataBase List >> 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether price.
  • $26 - $800
  • Product name: 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether
  • CAS: 72-33-3
  • MF: C21H26O2
  • MW: 310.43
  • EINECS:200-777-8
  • MDL Number:MFCD00003689
  • Synonyms:Ethynylestradiol 3-methyl ether,97%;17alpha-19-Norpregna-1,3,5(10)-trien-20-yn;MESTRANOL;19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-;19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy- ;19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-, (17alpha)-;3,17-beta-Dihydroxy-17-alpha-ethynyl-1,3,5(10)-estratriene-3-methyl ether;3,17-beta-dihydroxy-17-alpha-ethynyl-1,3,5(10)-estratriene-3-methylether
24 prices
Selected condition：
Brand
  • AK Scientific
  • American Custom Chemicals Corporation
  • Aronis compounds
  • Biorbyt Ltd
  • Biosynth Carbosynth
  • Cayman Chemical
  • Crysdot
  • CSNpharm
  • DC Chemicals
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 25mg
  • 50mg
  • 100mg
  • 5mg
  • 10MG
  • m0600000
  • 200mg
  • 250mg
  • 500mg
  • 1g
  • 2g
  • 5G
  • 10g
  • 25g
  • ManufacturerAK Scientific
  • Product numberH072
  • Product descriptionMestranol
  • Packaging100mg
  • Price$127
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberSHG0006695
  • Product descriptionMESTRANOL 95.00%
  • Packaging10MG
  • Price$721.88
  • Updated2021-12-16
  • Buy
  • ManufacturerAronis compounds
  • Product numberBBC/579
  • Product description17-ethynyl-3-methoxyestra-1,3,5(10)-trien-17-ol
  • Packaging10g
  • Price$511
  • Updated2021-12-16
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb134627
  • Product description17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether >99%
  • Packaging100mg
  • Price$510
  • Updated2021-12-16
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb134627
  • Product description17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether >99%
  • Packaging250mg
  • Price$765
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFM25119
  • Product descriptionMestranol
  • Packaging1g
  • Price$95
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFM25119
  • Product descriptionMestranol
  • Packaging2g
  • Price$160
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFM25119
  • Product descriptionMestranol
  • Packaging5G
  • Price$300
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFM25119
  • Product descriptionMestranol
  • Packaging10g
  • Price$450
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFM25119
  • Product descriptionMestranol
  • Packaging25g
  • Price$800
  • Updated2021-12-16
  • Buy
  • ManufacturerCayman Chemical
  • Product number23822
  • Product descriptionMestranol ≥98%
  • Packaging10mg
  • Price$26
  • Updated2024-03-01
  • Buy
  • ManufacturerCayman Chemical
  • Product number23822
  • Product descriptionMestranol ≥98%
  • Packaging50mg
  • Price$98
  • Updated2024-03-01
  • Buy
  • ManufacturerCayman Chemical
  • Product number23822
  • Product descriptionMestranol ≥98%
  • Packaging100mg
  • Price$146
  • Updated2024-03-01
  • Buy
  • ManufacturerCrysdot
  • Product numberCD31000971
  • Product descriptionMestranol 98+%
  • Packaging100mg
  • Price$87
  • Updated2021-12-16
  • Buy
  • ManufacturerCSNpharm
  • Product numberCSN11387
  • Product descriptionMestranol
  • Packaging25mg
  • Price$35
  • Updated2021-12-16
  • Buy
  • ManufacturerCSNpharm
  • Product numberCSN11387
  • Product descriptionMestranol
  • Packaging100mg
  • Price$48
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific H072 Mestranol 100mg $127 2021-12-16 Buy
American Custom Chemicals Corporation SHG0006695 MESTRANOL 95.00% 10MG $721.88 2021-12-16 Buy
Aronis compounds BBC/579 17-ethynyl-3-methoxyestra-1,3,5(10)-trien-17-ol 10g $511 2021-12-16 Buy
Biorbyt Ltd orb134627 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether >99% 100mg $510 2021-12-16 Buy
Biorbyt Ltd orb134627 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether >99% 250mg $765 2021-12-16 Buy
Biosynth Carbosynth FM25119 Mestranol 1g $95 2021-12-16 Buy
Biosynth Carbosynth FM25119 Mestranol 2g $160 2021-12-16 Buy
Biosynth Carbosynth FM25119 Mestranol 5G $300 2021-12-16 Buy
Biosynth Carbosynth FM25119 Mestranol 10g $450 2021-12-16 Buy
Biosynth Carbosynth FM25119 Mestranol 25g $800 2021-12-16 Buy
Cayman Chemical 23822 Mestranol ≥98% 10mg $26 2024-03-01 Buy
Cayman Chemical 23822 Mestranol ≥98% 50mg $98 2024-03-01 Buy
Cayman Chemical 23822 Mestranol ≥98% 100mg $146 2024-03-01 Buy
Crysdot CD31000971 Mestranol 98+% 100mg $87 2021-12-16 Buy
CSNpharm CSN11387 Mestranol 25mg $35 2021-12-16 Buy
CSNpharm CSN11387 Mestranol 100mg $48 2021-12-16 Buy

Properties

Melting point :153-155 °C(lit.)
Boiling point :390.58°C (rough estimate)
alpha :+2～+8°(D/20℃)(c=1, 1,4-dioxane)
Density :1.0865 (rough estimate)
refractive index :1.4900 (estimate)
storage temp. :Sealed in dry,2-8°C
solubility :Acetonitrile: 1 mg/ml; Ethanol: 1 mg/ml; Methanol: 1 mg/ml
form :Solid
pka :13.10±0.40(Predicted)
color :White to off-white
optical activity :[α]15/D +3°, c = 2 in dioxane
Merck :5917
BRN :2625905
CAS DataBase Reference :72-33-3(CAS DataBase Reference)
NIST Chemistry Reference :Mestranol(72-33-3)
EPA Substance Registry System :Mestranol (72-33-3)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
Precautionary statements:
P201 Obtain special instructions before use.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.

Description

Mestranol is the 3-methyl ether of ethinylestradiol. It is a biologically inactive prodrug of ethinylestradiol to which it is demethylated in the liver with a conversion efficiency of 70% (50 μg of mestranol is pharmacokinetically bioequivalent to 35 μg of ethinylestradiol).

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