23434-35-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23434-35-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,3 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23434-35:
(7*2)+(6*3)+(5*4)+(4*3)+(3*4)+(2*3)+(1*5)=87
87 % 10 = 7
So 23434-35-7 is a valid CAS Registry Number.