1501971-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1501971-70-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,0,1,9,7 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1501971-70:
(9*1)+(8*5)+(7*0)+(6*1)+(5*9)+(4*7)+(3*1)+(2*7)+(1*0)=145
145 % 10 = 5
So 1501971-70-5 is a valid CAS Registry Number.