1581734-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1581734-05-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,1,7,3 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1581734-05:
(9*1)+(8*5)+(7*8)+(6*1)+(5*7)+(4*3)+(3*4)+(2*0)+(1*5)=175
175 % 10 = 5
So 1581734-05-5 is a valid CAS Registry Number.