837421-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 837421-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,7,4,2 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 837421-40:
(8*8)+(7*3)+(6*7)+(5*4)+(4*2)+(3*1)+(2*4)+(1*0)=166
166 % 10 = 6
So 837421-40-6 is a valid CAS Registry Number.
837421-40-6Relevant articles and documents
N-(3,4-disubstituted phenyl) salicylamide derivatives
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Page/Page column 41, (2008/12/07)
A compound represented by the following formula (I) or a salt thereof: wherein R1, R2, R3 and R4 represent hydrogen atom, a halogen atom, cyano group, nitro group, a C1-4 alkyl group, a halogenated C
