1381959-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1381959-73-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,9,5 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1381959-73:
(9*1)+(8*3)+(7*8)+(6*1)+(5*9)+(4*5)+(3*9)+(2*7)+(1*3)=204
204 % 10 = 4
So 1381959-73-4 is a valid CAS Registry Number.