85234-63-5

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Basic information

Product Name: 21-Dehydro Budesonide
Synonyms: 21-Dehydro Budesonide;(11β,16α)-16,17-[Butylidenebis(oxy)]-11-hydroxy-3,20-dioxopregna-1,4-dien-21-al;Budesonide IMpurity D;Budesonide EP Impurity D;16α,17-[(1RS)-butylidenebis(oxy)]-11β-hydroxy-3,20-dioxopregna-1,4-dien-21-al
CAS NO:85234-63-5
Molecular Formula: C25H32O6
Molecular Weight: 428.51798
EINECS: N/A
Product Categories: Impurities;Intermediates & Fine Chemicals;Metabolites & Impurities;Pharmaceuticals;Steroids
Mol File: 85234-63-5.mol
Article Data: 1

Chemical Properties

Melting Point: N/A
Boiling Point: 572.5±50.0 °C(Predicted)
Flash Point: N/A
Appearance: /
Density: 1.27±0.1 g/cm3(Predicted)
Refractive Index: N/A
Storage Temp.: Hygroscopic, -20°C Freezer, Under inert atmosphere
Solubility: DMSO (Slightly), Methanol (Slightly)
PKA: 14.21±0.70(Predicted)
Stability: Hygroscopic
CAS DataBase Reference: 21-Dehydro Budesonide(CAS DataBase Reference)
NIST Chemistry Reference: 21-Dehydro Budesonide(85234-63-5)
EPA Substance Registry System: 21-Dehydro Budesonide(85234-63-5)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 85234-63-5(Hazardous Substances Data)

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85234-63-5 Usage

Chemical Properties

Pale Yellow Solid

Uses

21-Dehydro Budesonide (Budesonide EP Impurity D) is a Budesonide (B689490) impurity.

Check Digit Verification of cas no

The CAS Registry Mumber 85234-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,3 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 85234-63:
(7*8)+(6*5)+(5*2)+(4*3)+(3*4)+(2*6)+(1*3)=135
135 % 10 = 5
So 85234-63-5 is a valid CAS Registry Number.

85234-63-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	Pregna-1,4-dien-21-al, 16,17-[butylidenebis(oxy)]-11-hydroxy-3,20-dioxo-, (11β,16α)-

1.2 Other means of identification

Product number	-
Other names	BUDESONIDE IMPURITY D

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:85234-63-5 SDS

85234-63-5Upstream product

51372-29-3 budesonide

85234-63-5Downstream Products

85234-63-5Relevant articles and documents

Air oxidation of 17-hydroxycorticosteroids catalyzed by cupric acetate: Formation of hemiacetal dimers

Arbez-Gindre, Cecile,Berl, Valerie,Lepoittevin, Jean-Pierre

, p. 361 - 365 (2003)

Hydrocortisone, cortexolone, hydrocortisone-17-butyrate, and budesonide were oxidized into α-ketoaldehydes by air exposure in the presence of Cu(OAc)2. When free hydroxyl functions were present at position 17, hydrocortisone and cortexolone, th

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