1177343-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177343-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,3,4 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1177343-42:
(9*1)+(8*1)+(7*7)+(6*7)+(5*3)+(4*4)+(3*3)+(2*4)+(1*2)=158
158 % 10 = 8
So 1177343-42-8 is a valid CAS Registry Number.