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Budesonide Impurity 18

Budesonide Impurity 18 Structure
Budesonide Impurity 18 structure
CAS No.
95943-95-6
Chemical Name:
Budesonide Impurity 18
Synonyms
Budesonide Impurity 18;Budesonide Impurity 96;Pregna-1,4,9(11)-triene-3,20-dione, 16,21-bis(acetyloxy)-17-hydroxy-, (16α)-;(16a)-16-(Acetyloxy)-17-hydroxy-3,20-dioxopregna-1,4,9(11)-trien-21-yl acetate;2-((8S,10S,13S,14S,16R,17S)-16-Acetoxy-17-hydroxy-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
CBNumber:
CB54843792
Molecular Formula:
C25H30O7
Molecular Weight:
442.51
MDL Number:
MFCD12974857
MOL File:
95943-95-6.mol
Last updated:2026-05-28 03:08:57
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Budesonide Impurity 18 Properties

Melting point 191-199 °C(Solv: acetone (67-64-1))
Boiling point 589.8±50.0 °C(Predicted)
Density 1.29±0.1 g/cm3(Predicted)
storage temp. 2-8°C
pka 11.61±0.70(Predicted)
Major Application pharmaceutical
InChIKey BVUMWMSJZHOLBQ-CBOJUQFSSA-N
SMILES O=C1C=C[C@@](C2=CC[C@@]([C@](C(COC(C)=O)=O)(O)[C@H](OC(C)=O)C3)(C)[C@]3([H])[C@]2([H])CC4)(C)C4=C1
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)Health Hazard (GHS08)Environment (GHS09)
GHS07,GHS08,GHS09
Signal word  Warning
Hazard statements  H319-H315-H411-H361-H335
Precautionary statements  P201-P202-P281-P308+P313-P405-P501-P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
WGK Germany  WGK 3
Storage Class 11 - Combustible Solids
Hazard Classifications Aquatic Acute 1
Aquatic Chronic 1
Skin Sens. 1
REACH Registrations Active

Budesonide Impurity 18 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA032J4I 16Alpha-Hydroxy Prednisolone-9(11)-ene Diacetate (2-((8S,10S,13S,14S,16R,17S)-16-acetoxy-17-hydroxy-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate) 95943-95-6 25mg $675 2026-06-03 Buy
Product number Packaging Price Buy
AA032J4I 25mg $675 Buy

Budesonide Impurity 18 Chemical Properties, Uses, Production

Uses

(16α)-16-(Acetyloxy)-17-hydroxy-3,20-dioxopregna-1,4,9(11)-trien-21-yl acetate (USP PAI) is intended for use in analytical testing to detect, identify, and measure pharmaceutical impurities.

Budesonide Impurity 18 Preparation Products And Raw materials

Raw materials

Preparation Products

Budesonide Impurity 18 Suppliers

Global Suppliers ( 12)
Supplier Tel Email Country ProdList Advantage
Meng Cheng Technology (Shanghai) Co., LTD 400-820-6829 sales@mitachieve.com China 8857 58
LGC Science (Shanghai) Ltd. 17717235263 offer.de@lgcgroup.com China 19036 58
LangFangshi Zekang Pharma Tech CO.,Itd. 0316-2883536 19333636468 93618484@qq.com China 2819 58
Shenzhen Excellent Biomedical Technology Co., Ltd. 0755-26050679 18318671572 2850803126@qq.com China 9992 58
Shanghai Zerui Biotechnology Co., Ltd. 021-54580889 18321124657 1054713992@qq.com China 10598 58
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd 18162595016; 18162595016 3287908757@qq.com China 9111 58
Hubei Moco Chemical Co., Ltd. 18627753421; 18627756402 3001051413@qq.com China 20013 58
LangFangshi Hengfuyuan Pharma Tech CO.,Itd. 0316-2883537 19333636468 573487203@qq.com China 2702 58
Shenzhen ruikai de biotechnology co., ltd. 0755-61348847 17820674378 2682116078@qq.com China 8528 58
TLC Pharmaceutical Standards Ltd. 18012923235 chinasales04@tlcstandards.com.cn China 8301 58
Supplier Advantage
Meng Cheng Technology (Shanghai) Co., LTD 58
LGC Science (Shanghai) Ltd. 58
LangFangshi Zekang Pharma Tech CO.,Itd. 58
Shenzhen Excellent Biomedical Technology Co., Ltd. 58
Shanghai Zerui Biotechnology Co., Ltd. 58
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd 58
Hubei Moco Chemical Co., Ltd. 58
LangFangshi Hengfuyuan Pharma Tech CO.,Itd. 58
Shenzhen ruikai de biotechnology co., ltd. 58
TLC Pharmaceutical Standards Ltd. 58

95943-95-6 (Budesonide Impurity 18) Related Search:

Budesonide Impurity 19 IMp. A (EP): 11β,16α,17,21-Tetrahydroxy-pregna-1,4-diene-3,20-dione (16-Hydroxy- prednisolone) 2,4,6-tripropyl-1,3,5-trioxane 1,2-Dehydrobudesonide 21-Dehydro-16α-hydroxy Prednisolone
(16α)-16,17-[Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione Budesonide Impurity 6 21-Acetoxy-11β-hydroxy-16α,17α-propylmethylenedioxpregna-1,4-diene-3,20-dione Budesonide iMpurity 16α,17,21-Trihydroxy-pregna-1,4-diene-3,11,20-trione
Budesonide Impurity 11 11beta,16alpha,17,21-tetrahydroxypregn-4-ene-3,20-dione Prednisone 17, 21-Diacetate Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9,11-epoxy-16,17-dihydroxy-, (9β,11β,16α)- (11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione
21-Acetoxy-11-oxo-16α,17α-propylMethylenedioxpregna-1,4-diene-3,20-dione Budesonide Impurity 7 21-Dehydro Budesonide

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Budesonide Impurity 18 2-((8S,10S,13S,14S,16R,17S)-16-Acetoxy-17-hydroxy-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate Pregna-1,4,9(11)-triene-3,20-dione, 16,21-bis(acetyloxy)-17-hydroxy-, (16α)- (16a)-16-(Acetyloxy)-17-hydroxy-3,20-dioxopregna-1,4,9(11)-trien-21-yl acetate Budesonide Impurity 96 95943-95-6