1370031-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1370031-21-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,0,0,3 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1370031-21:
(9*1)+(8*3)+(7*7)+(6*0)+(5*0)+(4*3)+(3*1)+(2*2)+(1*1)=102
102 % 10 = 2
So 1370031-21-2 is a valid CAS Registry Number.