1379811-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1379811-77-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,9,8,1 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1379811-77:
(9*1)+(8*3)+(7*7)+(6*9)+(5*8)+(4*1)+(3*1)+(2*7)+(1*7)=204
204 % 10 = 4
So 1379811-77-4 is a valid CAS Registry Number.