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Rupatadine Impurity B

Rupatadine Impurity B structure

CAS No.: 156523-04-5

Chemical Name:: Rupatadine Impurity B

Synonyms: Rupatadine Impurity B;Rupatadine impurity 2;Rupatadine impurity 6;(4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)(5-methylpyridin-3-yl)methanone;[4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl](5-methylpyridin-3-yl)methanone;Methanone, [4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)-

CBNumber:: CB42741914

Molecular Formula:: C26H24ClN3O

Molecular Weight:: 429.94

MDL Number:

MOL File:: 156523-04-5.mol

Last updated:2026-05-12 09:11:21

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Rupatadine Impurity B Properties

Boiling point	639.9±55.0 °C(Predicted)
Density	1.279±0.06 g/cm3(Predicted)
pka	4.45±0.20(Predicted)
form	Solid:crystalline

SAFETY

Risk and Safety Statements

REACH Registrations	Active

Rupatadine Impurity B Chemical Properties,Uses,Production

Uses

Impurity B of rupatadine is one of the impurity compounds of rupatadine and can be used as an impurity standard reagent. rupatadine is a second-generation antihistamine and PAF antagonist used to treat allergies.

Rupatadine Impurity B Preparation Products And Raw materials

Raw materials

Preparation Products

Rupatadine Impurity B Suppliers

Global( 31)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14320	58
Moxin Chemicals	+86-17320513646 +86-17320513646	anna@molcoo.com	China	9998	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43392	58
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56
BOC Sciences	16314854226	info@bocsci.com	United States	9909	65
Shenzhen Polymeri Biochemical Technology Co., Ltd.	+86-400-002-6226	sales@rrkchem.com	China	57336	58
Guangzhou Dreampharm Biotechnology Co., Ltd.	020-36607679; 13502246435	3008233746@qq.com	China	9965	12
Jinan blalong chemical co. LTD	2710913286@qq.com	1513643261@qq.com	China	14227	58
Nanjing wangzhixing Pharmaceutical Technology Co., Ltd	18569809817	2208093734@qq.com	China	3987	58
Cato Research Chemicals Inc.	+86-020-81960175-877 4000-868-328;4000-868-328	tianwen.zhan@cato-chem.com	United States	10384	58

Supplier	Advantage
Standardpharm Co. Ltd.	58
Moxin Chemicals	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
Quality Control Solutions Ltd.	56
BOC Sciences	65
Shenzhen Polymeri Biochemical Technology Co., Ltd.	58
Guangzhou Dreampharm Biotechnology Co., Ltd.	12
Jinan blalong chemical co. LTD	58
Nanjing wangzhixing Pharmaceutical Technology Co., Ltd	58
Cato Research Chemicals Inc.	58

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Rupatadine Impurity B (4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)(5-methylpyridin-3-yl)methanone Rupatadine impurity 6 Rupatadine impurity 2 Methanone, [4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)- [4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl](5-methylpyridin-3-yl)methanone 156523-04-5