437-37-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 437-37-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,3 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 437-37:
(5*4)+(4*3)+(3*7)+(2*3)+(1*7)=66
66 % 10 = 6
So 437-37-6 is a valid CAS Registry Number.