3979-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3979-79-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,7 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3979-79:
(6*3)+(5*9)+(4*7)+(3*9)+(2*7)+(1*9)=141
141 % 10 = 1
So 3979-79-1 is a valid CAS Registry Number.