637002-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637002-70-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,0,0 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 637002-70:
(8*6)+(7*3)+(6*7)+(5*0)+(4*0)+(3*2)+(2*7)+(1*0)=131
131 % 10 = 1
So 637002-70-1 is a valid CAS Registry Number.