77176-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77176-47-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,7 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77176-47:
(7*7)+(6*7)+(5*1)+(4*7)+(3*6)+(2*4)+(1*7)=157
157 % 10 = 7
So 77176-47-7 is a valid CAS Registry Number.