1386981-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1386981-57-2 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, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1386981-57:
(9*1)+(8*3)+(7*8)+(6*6)+(5*9)+(4*8)+(3*1)+(2*5)+(1*7)=222
222 % 10 = 2
So 1386981-57-2 is a valid CAS Registry Number.