237431-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 237431-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,7,4,3 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 237431-33:
(8*2)+(7*3)+(6*7)+(5*4)+(4*3)+(3*1)+(2*3)+(1*3)=123
123 % 10 = 3
So 237431-33-3 is a valid CAS Registry Number.