38021-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38021-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,0,2 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 38021-61:
(7*3)+(6*8)+(5*0)+(4*2)+(3*1)+(2*6)+(1*1)=93
93 % 10 = 3
So 38021-61-3 is a valid CAS Registry Number.