267898-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 267898-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,8,9 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 267898-70:
(8*2)+(7*6)+(6*7)+(5*8)+(4*9)+(3*8)+(2*7)+(1*0)=214
214 % 10 = 4
So 267898-70-4 is a valid CAS Registry Number.