176097-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176097-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,0,9 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 176097-81:
(8*1)+(7*7)+(6*6)+(5*0)+(4*9)+(3*7)+(2*8)+(1*1)=167
167 % 10 = 7
So 176097-81-7 is a valid CAS Registry Number.