344336-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344336-22-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,3 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 344336-22:
(8*3)+(7*4)+(6*4)+(5*3)+(4*3)+(3*6)+(2*2)+(1*2)=127
127 % 10 = 7
So 344336-22-7 is a valid CAS Registry Number.