261900-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 261900-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,9,0 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 261900-70:
(8*2)+(7*6)+(6*1)+(5*9)+(4*0)+(3*0)+(2*7)+(1*0)=123
123 % 10 = 3
So 261900-70-3 is a valid CAS Registry Number.