70371-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70371-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,3,7 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70371-38:
(7*7)+(6*0)+(5*3)+(4*7)+(3*1)+(2*3)+(1*8)=109
109 % 10 = 9
So 70371-38-9 is a valid CAS Registry Number.