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6437-55-4

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6437-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6437-55-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,3 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6437-55:
(6*6)+(5*4)+(4*3)+(3*7)+(2*5)+(1*5)=104
104 % 10 = 4
So 6437-55-4 is a valid CAS Registry Number.

6437-55-4Downstream Products

6437-55-4Relevant articles and documents

Serotonin antagonists

-

, (2008/06/13)

A compound of the formula EQU1 or an acid addition salt thereof wherein R1 and R2 are the same or different and each is a phenyl or thien-2-yl group optionally substituted in one or more positions by a substituent selected from the class consisting of halogen, lower alkyl, lower alkoxy, hydroxy, lower alkylthio, phenyl, phenoxy, phenyl-(lower-alkyl) and phenyl-(lower-alkoxy), each of the said phenyl, phenoxy, phenyl-(lower-alkyl) and phenyl-(lower-alkoxy) substituent groups being optionally substituted in one or more positions by a member selected from the class consisting of halogen, lower alkyl, lower alkoxy, hydroxy, and lower alkylthio; A1 is a divalent straight or branched alkylene group containing from two to six carbon atoms and one or two divalent atoms which are each an oxygen or sulphur atom, provided that there are at least two carbon atoms between the divalent atom and the --NH-- group and between the two divalent atoms; and A2 is the methylene group --CH2 --.

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