619331-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 619331-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,9,3,3 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 619331-74:
(8*6)+(7*1)+(6*9)+(5*3)+(4*3)+(3*1)+(2*7)+(1*4)=157
157 % 10 = 7
So 619331-74-7 is a valid CAS Registry Number.