1172548-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1172548-55-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,5,4 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1172548-55:
(9*1)+(8*1)+(7*7)+(6*2)+(5*5)+(4*4)+(3*8)+(2*5)+(1*5)=158
158 % 10 = 8
So 1172548-55-8 is a valid CAS Registry Number.