77432-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77432-37-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,3 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77432-37:
(7*7)+(6*7)+(5*4)+(4*3)+(3*2)+(2*3)+(1*7)=142
142 % 10 = 2
So 77432-37-2 is a valid CAS Registry Number.