179899-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179899-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,8,9 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 179899-09:
(8*1)+(7*7)+(6*9)+(5*8)+(4*9)+(3*9)+(2*0)+(1*9)=223
223 % 10 = 3
So 179899-09-3 is a valid CAS Registry Number.