2207-35-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2207-35-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,0 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2207-35:
(6*2)+(5*2)+(4*0)+(3*7)+(2*3)+(1*5)=54
54 % 10 = 4
So 2207-35-4 is a valid CAS Registry Number.