166757-88-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166757-88-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,7,5 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 166757-88:
(8*1)+(7*6)+(6*6)+(5*7)+(4*5)+(3*7)+(2*8)+(1*8)=186
186 % 10 = 6
So 166757-88-6 is a valid CAS Registry Number.