ChemicalBook > CAS DataBase List > BetaMethasone 9,11-Epoxide 17,21-Dipropionate

BetaMethasone 9,11-Epoxide 17,21-Dipropionate

Product Name
BetaMethasone 9,11-Epoxide 17,21-Dipropionate
CAS No.
66917-44-0
Chemical Name
BetaMethasone 9,11-Epoxide 17,21-Dipropionate
Synonyms
Beclometasone Impurity J;Beclomethasone Impurity 1;Beclometasone Impurity 12;Beclomethasone EP Impurity J;Beclomethasone Propionate Impurity J;EpoxybetaMethasone-17,21-dipropionate;Betamethasone dipropionate impurity 3;Beclomethasone Dipropionate Impurity J;Beclometasone Propionate EP Impurity J;Beclomethasone propionate EP impurity J
CBNumber
CB62543631
Molecular Formula
C28H36O7
Formula Weight
484.58124
MOL File
66917-44-0.mol
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BetaMethasone 9,11-Epoxide 17,21-Dipropionate Property

Melting point:
143-145°C
Boiling point:
597.7±50.0 °C(Predicted)
Density 
1.24±0.1 g/cm3(Predicted)
storage temp. 
Refrigerator
solubility 
Chloroform, Ethyl Acetate (Slightly), Methanol (Slightly)
form 
Solid
color 
White to Off-White
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H312Harmful in contact with skin

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

H361Suspected of damaging fertility or the unborn child

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P281Use personal protective equipment as required.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P322Specific measures (see …on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P363Wash contaminated clothing before reuse.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
1067760
Product name
Betamethasone Dipropionate Related Compound F 
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
30mg
Price
$1380
Updated
2025/07/31
TRC
Product number
B327060
Product name
Betamethasone9,11-Epoxide17,21-Dipropionate
Packaging
250mg
Price
$1355
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB18570
Product name
Betamethasone 9,11-epoxide 17,21-dipropionate
Packaging
5mg
Price
$50
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB18570
Product name
Betamethasone 9,11-epoxide 17,21-dipropionate
Packaging
10mg
Price
$90
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB18570
Product name
Betamethasone 9,11-epoxide 17,21-dipropionate
Packaging
25mg
Price
$200
Updated
2021/12/16
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BetaMethasone 9,11-Epoxide 17,21-Dipropionate Chemical Properties,Usage,Production

Chemical Properties

White Solid

Uses

Betamethasone (B327000) impurity, as antiinflammatory agent.

Uses

Betamethasone 9,11-Epoxide 17,21-Dipropionate (Betamethasone Dipropionate EP Impurity F) is an impurity of Betamethasone (B327000), an antiinflammatory agent.

BetaMethasone 9,11-Epoxide 17,21-Dipropionate Preparation Products And Raw materials

Raw materials

Preparation Products

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BetaMethasone 9,11-Epoxide 17,21-Dipropionate Suppliers

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66917-44-0, BetaMethasone 9,11-Epoxide 17,21-DipropionateRelated Search:

17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione 9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Clobetasol 6-Bromo-betamethasone 17,21-Dipropionate doxibetasol Betamethasone 21-acetate Beclomethasone 17-propionate BecloMethasone 21-Propionate Betamethasone Impurity 16 Betamethasone 21-phosphate disodium Betamethasone Tripropionate Betamethasone Impurity 36 Betamethasone 9-fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 17-propionate BecloMethasone 17-Valerate BETAMETHASONE 21-PROPIONATE Betamethasone EP Impurity D Betamethasone Valerate EP Impurity F

  • BetaMethasone 9,11-Epoxide 17,21-Dipropionate
  • (9β,11β,16β)-9,11-Epoxy-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4-diene-3,20-dione
  • Beclomethasone Propionate Impurity J(EP)
  • Betamethasone Dipropionate impurity 4/Betamethasone Dipropionate EP Impurity F/Beclomethasone Dipropionate EP Impurity J/9,11?-Epoxy-16?-methyl-3,20-dioxo-9?-pregna-1,4-diene-17,21-diyl dipropanoate
  • Betamethasone 9|A,11|A-epoxide 17,21-Dipropionate
  • Beclomethasone EP Impurity J
  • Beclomethasone Dipropionate EP Impurity J
  • Beclomethasone Dipropionate impurity 7/Beclomethasone Dipropionate EP Impurity J/Betamethasone Dipropionate EP Impurity F
  • BecloMethasone 9,11-Epoxide 17,21-Dipropionate
  • EpoxybetaMethasone-17,21-dipropionate
  • Beclomethasone Dipropionate Impurity J
  • Betamethasone Dipropionate EP Impurity F
  • Beclometasone Dipropionate EP Impurity J
  • Betamethasone Dipropionate Impurity 6（Betamethasone Dipropionate EP Impurity F）
  • Beclomethasone Dipropionate EP Impurity J (Betamethasone Dipropionate EP Impurity F)
  • Betamethasone Dipropionate EP Impurity F (Beclometasone Dipropionate EP Impurity J)
  • 2-oxo-2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-7-(propionyloxy)-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate
  • Beclomethasone Impurity 1
  • Beclometasone Dipropionate EP Impurity J (Betamethasone Dipropionate EP Impurity F)
  • Beclomethasone propionate EP impurity J
  • Beclomethasone Impurity 9(Beclometasone Dipropionate EP Impurity J)
  • Beclomethasone Propionate Impurity J
  • Beclometasone Impurity J
  • Beclometasone Propionate EP Impurity J
  • Pregna-1,4-diene-3,20-dione, 9,11-epoxy-16-methyl-17,21-bis(1-oxopropoxy)-, (9β,11β,16β)-
  • 2-Oxo-2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-7-(propionyloxy)-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate (Betamethasone Dipropionate Impurity)
  • Betamethasone Dipropionate EP Impurity F (Betamethasone Dipropionate USP Related Compound F, Beclometasone Dipropionate EP Impurity J)
  • Beclometasone Impurity 12
  • Beclometasone Dipropionate Imp. J (EP): Betamethasone 9,11-epoxide 17,21-dipropionate
  • Betamethasone dipropionate impurity 3
  • 66917-44-0
  • Intermediates & Fine Chemicals
  • Metabolites & Impurities
  • Pharmaceuticals
  • Steroids