1580052-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1580052-51-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,0,0,5 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1580052-51:
(9*1)+(8*5)+(7*8)+(6*0)+(5*0)+(4*5)+(3*2)+(2*5)+(1*1)=142
142 % 10 = 2
So 1580052-51-2 is a valid CAS Registry Number.