373391-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 373391-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,3,3,9 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 373391-90:
(8*3)+(7*7)+(6*3)+(5*3)+(4*9)+(3*1)+(2*9)+(1*0)=163
163 % 10 = 3
So 373391-90-3 is a valid CAS Registry Number.