77144-62-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77144-62-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,4 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77144-62:
(7*7)+(6*7)+(5*1)+(4*4)+(3*4)+(2*6)+(1*2)=138
138 % 10 = 8
So 77144-62-8 is a valid CAS Registry Number.