1386981-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1386981-31-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,6,9,8 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1386981-31:
(9*1)+(8*3)+(7*8)+(6*6)+(5*9)+(4*8)+(3*1)+(2*3)+(1*1)=212
212 % 10 = 2
So 1386981-31-2 is a valid CAS Registry Number.