38031-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38031-61-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,0,3 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 38031-61:
(7*3)+(6*8)+(5*0)+(4*3)+(3*1)+(2*6)+(1*1)=97
97 % 10 = 7
So 38031-61-7 is a valid CAS Registry Number.