1581734-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1581734-01-1 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 1581734-01:
(9*1)+(8*5)+(7*8)+(6*1)+(5*7)+(4*3)+(3*4)+(2*0)+(1*1)=171
171 % 10 = 1
So 1581734-01-1 is a valid CAS Registry Number.