644979-14-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 644979-14-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,4,9,7 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 644979-14:
(8*6)+(7*4)+(6*4)+(5*9)+(4*7)+(3*9)+(2*1)+(1*4)=206
206 % 10 = 6
So 644979-14-6 is a valid CAS Registry Number.