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Prednisolone Impurity A

Prednisolone Impurity A structure

CAS No.: 77017-17-5

Chemical Name:: Prednisolone Impurity A

Synonyms: Prednisolone Impurity A;Budesonide related compound 2;(6aR,6bS,7S,8aS,8bR,11aS,12aS,12bS)-;Pregna-1,4-diene-3,20-dione, 16,21-epoxy-11,21-dihydroxy-, (11β,16α,17α)- (9CI);(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7,10-dihydroxy-6a,8a-dimethyl-6b,7,8,8a,8b,10,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[2,1-b]furan-4,9(2H,6aH)-dione;(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7,10-dihydroxy-6a,8a-dimethyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[2,1-b]furan-4,9(10H)-dione

CBNumber:: CB14632019

Molecular Formula:: C21H26O5

Molecular Weight:: 358.43

MDL Number:

MOL File:: 77017-17-5.mol

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Prednisolone Impurity A Properties

Boiling point	577.4±50.0 °C(Predicted)
Density	1.34±0.1 g/cm3(Predicted)
pka	11.02±0.70(Predicted)

Prednisolone Impurity A Chemical Properties,Uses,Production

Uses

(11β,16α,17α)-16,21-Epoxy-11,21-dihydroxy-pregna-1,4-diene-3,20-dione is a Budesonide (B689490) related compound.

Prednisolone Impurity A synthesis

Synthesis of Prednisolone Impurity A from Pregna-1,4-diene-3,20-dione, 17-bromo-11,16,21-trihydroxy-, (11β,16β)- (9CI)

Prednisolone Impurity A Preparation Products And Raw materials

Raw materials

Pregna-1,4-diene-3,20-dione, 17-bromo-11,16,21-trihydroxy-, (11β,16β)- (9CI)

Preparation Products

Prednisolone Impurity A Suppliers

Global( 27)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
China National Standard Pharmaceutical Corporation Limited	+8615391658522	overseasales@yongstandards.com	China	11927	58
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	14059	65
Beijing Comparison Pharmaceutical Technology Co., Ltd	010-010-52878169 15801002657	sales@bjcomparison.com	China	4768	58
ChemStrong Scientific Co.,Ltd	0755-0755-66853366 13670046396	sales@chem-strong.com	China	18018	56
Shanghai Kewel Chemical Co., Ltd.	021-64609169 18901607656	greensnown@163.com	China	9911	50
Hubei Yangxin Medical Technology Co., Ltd.	15374522761	3003392093@qq.com	China	8256	55
Shenzhen Botel Biotechnology Co. Ltd.	0755-22202135 13316968096	1979313431@qq.com	China	8417	58
Wuxi Helen Biotechnology Co., Ltd.,	0510-85629785 18013409632	sales@reading-chemicals.com	China	14092	58
Meng Cheng Technology (Shanghai) Co., LTD	400-820-6829	sales@mitachieve.com	China	8864	58
Foshan Treasure Biotechnology Co., Ltd	0757-85921206 18520245316	2329783215@qq.com	China	12664	58

Supplier	Advantage
China National Standard Pharmaceutical Corporation Limited	58
BOC Sciences	65
Beijing Comparison Pharmaceutical Technology Co., Ltd	58
ChemStrong Scientific Co.,Ltd	56
Shanghai Kewel Chemical Co., Ltd.	50
Hubei Yangxin Medical Technology Co., Ltd.	55
Shenzhen Botel Biotechnology Co. Ltd.	58
Wuxi Helen Biotechnology Co., Ltd.,	58
Meng Cheng Technology (Shanghai) Co., LTD	58
Foshan Treasure Biotechnology Co., Ltd	58

(6aR,6bS,7S,8aS,8bR,11aS,12aS,12bS)- (6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7,10-dihydroxy-6a,8a-dimethyl-6b,7,8,8a,8b,10,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[2,1-b]furan-4,9(2H,6aH)-dione (6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7,10-dihydroxy-6a,8a-dimethyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[2,1-b]furan-4,9(10H)-dione Budesonide related compound 2 Pregna-1,4-diene-3,20-dione, 16,21-epoxy-11,21-dihydroxy-, (11β,16α,17α)- (9CI) Prednisolone Impurity A 77017-17-5