77141-10-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77141-10-7 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 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77141-10:
(7*7)+(6*7)+(5*1)+(4*4)+(3*1)+(2*1)+(1*0)=117
117 % 10 = 7
So 77141-10-7 is a valid CAS Registry Number.