2037-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2037-77-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,3 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2037-77:
(6*2)+(5*0)+(4*3)+(3*7)+(2*7)+(1*7)=66
66 % 10 = 6
So 2037-77-6 is a valid CAS Registry Number.