1381947-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1381947-21-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,9,4 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1381947-21:
(9*1)+(8*3)+(7*8)+(6*1)+(5*9)+(4*4)+(3*7)+(2*2)+(1*1)=182
182 % 10 = 2
So 1381947-21-2 is a valid CAS Registry Number.