74631-01-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74631-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,3 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74631-01:
(7*7)+(6*4)+(5*6)+(4*3)+(3*1)+(2*0)+(1*1)=119
119 % 10 = 9
So 74631-01-9 is a valid CAS Registry Number.