521283-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 521283-70-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,2,8 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 521283-70:
(8*5)+(7*2)+(6*1)+(5*2)+(4*8)+(3*3)+(2*7)+(1*0)=125
125 % 10 = 5
So 521283-70-5 is a valid CAS Registry Number.