ChemicalBook > CAS DataBase List > (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione

(S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione

Product Name: (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione
CAS No.: 51372-28-2
Chemical Name: (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione
Synonyms: S-22Budesonide;Budesonide-22S;(22S)-Budesonide;Budenoside Impurity 3;Budesonide (22S)-Isomer;Budesonide USP Impurity C(S);(22S)-Budesonide (85:15 = S:R);Budesonide Impurity 25 ((22S)-Budesonide);(S)-16α,17-(butylidenedioxy)-11β,21-dihydroxypregna-1,4-diene-3,20-dione;16α,17-[(S)-Butylidenebisoxy]-11β,21-dihydroxypregna-1,4-diene-3,20-dione
CBNumber: CB1929885
Molecular Formula: C25H34O6
Formula Weight: 430.53
MOL File: 51372-28-2.mol

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(S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione Property

Melting point:: 196-198°C
Boiling point:: 599.7±50.0 °C(Predicted)
Density: 1.27±0.1 g/cm3(Predicted)
storage temp.: -20°C Freezer
solubility: Chloroform (Slightly), Dichloromethane, Methanol (Slightly)
form: Solid
pka: 12.87±0.10(Predicted)
color: White to Off-White

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC

Product number: B689505
Product name: (22S)-Budesonide
Packaging: 5mg
Price: $95
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB19348
Product name: (22S)-Budesonide
Packaging: 1mg
Price: $465
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: API0010363
Product name: BUDESONIDE-22S
Purity: 95.00%
Packaging: 0.5MG
Price: $642.5
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB19348
Product name: (22S)-Budesonide
Packaging: 2mg
Price: $840
Updated: 2021/12/16

AK Scientific

Product number: 3996EB
Product name: (1S,2S,6S,8S,9S,11S,12S,13R)-11-Hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one
Packaging: 2mg
Price: $1184
Updated: 2021/12/16

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(S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione Chemical Properties,Usage,Production

Chemical Properties

Off-White Solid

Uses

Budesonide (B689490) epimer S. Budesonide 22R epimer is more active than 22S epimer.

brand name

Entocort (AstraZeneca); Pulmicort (AstraZeneca); Rhinocort (AstraZeneca).

(S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione Preparation Products And Raw materials

Raw materials

Preparation Products

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51372-28-2, (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dioneRelated Search:

BECLOMETHASONE (r)-budesonide Budesonide

(S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione

Budesonide-22S

S-22Budesonide

(22S)-Budesonide

16α,17-[(S)-Butylidenebisoxy]-11β,21-dihydroxypregna-1,4-diene-3,20-dione

(22S)-Budesonide (85:15 = S:R)

Budesonide (22S)-Isomer

Budenoside Impurity 3

Pregna-1,4-diene-3,20-dione, 16,17-[(1S)-butylidenebis(oxy)]-11,21-dihydroxy-, (11β,16α)-

Budesonide Impurity 25 ((22S)-Budesonide)

(6aR,6bS,7S,8aS,8bS,10S,11aR,12aS,12bS)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one

(S)-16α,17-(butylidenedioxy)-11β,21-dihydroxypregna-1,4-diene-3,20-dione

Budesonide USP Impurity C(S)

51372-28-2

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