137404-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137404-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,0 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137404-85:
(8*1)+(7*3)+(6*7)+(5*4)+(4*0)+(3*4)+(2*8)+(1*5)=124
124 % 10 = 4
So 137404-85-4 is a valid CAS Registry Number.
137404-85-4Relevant articles and documents
Triazoles, their production and use
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, (2008/06/13)
A triazole compound of the-formula (I): STR1 wherein Ar is a substituted phenyl group, R1, R2 and R3 each represents, the same or different, a hydrogen atom or a lower alkyl, R4 and R5 each represents