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191673-45-7

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191673-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191673-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,6,7 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 191673-45:
(8*1)+(7*9)+(6*1)+(5*6)+(4*7)+(3*3)+(2*4)+(1*5)=157
157 % 10 = 7
So 191673-45-7 is a valid CAS Registry Number.

191673-45-7Relevant articles and documents

Heterocyclic compounds having tachykinin receptor antagonist activity their preparation and their use

-

, (2008/06/13)

Compounds of the formula and quaternary ammonium ions thereof, wherein R1 and R2 are the same or different and are carbocyclic aryl or aromatic heterocyclic; A is methylene, carbonyl or sulfonyl; B is a single bond, C1-C4 alkylene or C2-C4, alkenylene; D is oxygen; E is C2 alkylene; G is C1-C4 alkylene or C2-C4 alkenylene; and L is -C(R4)(R5), wherein R4 and R5 together with the carbon atom to which they are attached represent a C5-C10 cycloalkyl or a C5-C10 heterocyclic. Especially preferred are compounds wherein L represents wherein J is a C1-C6 alkylene; Ar is a ring carbocyclic or aromatic heterocyclic and S*->O is a sulfoxide in which the sulfur atom is in the 5-configuration. The compounds have tachykinin receptor antagonist activity and exhibit an activity against both the NK1 and NK2 receptors.

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