2262-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2262-67-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,6 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2262-67:
(6*2)+(5*2)+(4*6)+(3*2)+(2*6)+(1*7)=71
71 % 10 = 1
So 2262-67-1 is a valid CAS Registry Number.