1277179-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1277179-18-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,7,1,7 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1277179-18:
(9*1)+(8*2)+(7*7)+(6*7)+(5*1)+(4*7)+(3*9)+(2*1)+(1*8)=186
186 % 10 = 6
So 1277179-18-6 is a valid CAS Registry Number.