179617-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179617-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,1 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 179617-42:
(8*1)+(7*7)+(6*9)+(5*6)+(4*1)+(3*7)+(2*4)+(1*2)=176
176 % 10 = 6
So 179617-42-6 is a valid CAS Registry Number.