37172-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37172-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,1,7 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 37172-77:
(7*3)+(6*7)+(5*1)+(4*7)+(3*2)+(2*7)+(1*7)=123
123 % 10 = 3
So 37172-77-3 is a valid CAS Registry Number.