5371-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5371-61-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,7 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5371-61:
(6*5)+(5*3)+(4*7)+(3*1)+(2*6)+(1*1)=89
89 % 10 = 9
So 5371-61-9 is a valid CAS Registry Number.