175687-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175687-55-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,6,8 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 175687-55:
(8*1)+(7*7)+(6*5)+(5*6)+(4*8)+(3*7)+(2*5)+(1*5)=185
185 % 10 = 5
So 175687-55-5 is a valid CAS Registry Number.