74863-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74863-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,6 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74863-19:
(7*7)+(6*4)+(5*8)+(4*6)+(3*3)+(2*1)+(1*9)=157
157 % 10 = 7
So 74863-19-7 is a valid CAS Registry Number.