1581276-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1581276-57-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,1,2,7 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1581276-57:
(9*1)+(8*5)+(7*8)+(6*1)+(5*2)+(4*7)+(3*6)+(2*5)+(1*7)=184
184 % 10 = 4
So 1581276-57-4 is a valid CAS Registry Number.