74381-15-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74381-15-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,8 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74381-15:
(7*7)+(6*4)+(5*3)+(4*8)+(3*1)+(2*1)+(1*5)=130
130 % 10 = 0
So 74381-15-0 is a valid CAS Registry Number.