2609-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2609-70-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,0 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2609-70:
(6*2)+(5*6)+(4*0)+(3*9)+(2*7)+(1*0)=83
83 % 10 = 3
So 2609-70-3 is a valid CAS Registry Number.