214424-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 214424-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,4,2 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 214424-23:
(8*2)+(7*1)+(6*4)+(5*4)+(4*2)+(3*4)+(2*2)+(1*3)=94
94 % 10 = 4
So 214424-23-4 is a valid CAS Registry Number.