Budesonide 51333-22-3 Budesonide98%
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CAS Number:51333-22-3
Name:Budesonide
Formula:C25H34O6
Molecular Weight:430.59
Synonyms:Budeson;Respules;16-alpha,17-alpha-Butylidenedioxy-11-beta,21-dihydroxy-1,4-pregnadiene-3,20-dione;Entocort;Pregna-1,4-diene-3,20-dione,16,17- [butylidenebis(oxy)]-11,21-dihydroxy-,(11a,- 16R)-;Rhinocort;Budesonide (11beta,16alpha);Micronyl;Preferid;(RS)-11beta,16alpha,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with butyraldehyde;(11-beta,16-alpha)-16,17-(Butylidenebis(oxy))-11,21-dihydroxypregna-1,4-diene-3,20-dione;Cortivent;Prestwick_840;Rhinocort alpha;
EINECS:257-139-7
Density:1.27 g/cm3
Melting Point:221-232 °C (dec.)
Boiling Point:599.7 °C at 760 mmHg
Flash Point:201.8 °C
Appearance:white solid
Certification of EP5
ITEMS |
STANDARDS |
APPEARANCE |
White or almost white Crystalline Powder |
IDENTIFICATION |
Infrared absorption spectrophotometry should conform with CR’s |
METHANOL |
≤0.1% |
LOSS ON DRYING |
≤0.5% |
RELATED SUBSTANCES |
SINGLE≤0.5% TOTAL≤1.5% |
EPIMER |
40~51% |
FINENESS |
10um(100% pass) |
ASSAY |
98.0%~102.0% |
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