637041-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637041-35-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,0,4 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 637041-35:
(8*6)+(7*3)+(6*7)+(5*0)+(4*4)+(3*1)+(2*3)+(1*5)=141
141 % 10 = 1
So 637041-35-1 is a valid CAS Registry Number.