76170-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76170-87-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,7 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76170-87:
(7*7)+(6*6)+(5*1)+(4*7)+(3*0)+(2*8)+(1*7)=141
141 % 10 = 1
So 76170-87-1 is a valid CAS Registry Number.