619297-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 619297-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,9,2,9 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 619297-74:
(8*6)+(7*1)+(6*9)+(5*2)+(4*9)+(3*7)+(2*7)+(1*4)=194
194 % 10 = 4
So 619297-74-4 is a valid CAS Registry Number.