874521-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874521-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,5,2 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 874521-70:
(8*8)+(7*7)+(6*4)+(5*5)+(4*2)+(3*1)+(2*7)+(1*0)=187
187 % 10 = 7
So 874521-70-7 is a valid CAS Registry Number.