1949-00-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1949-00-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,4 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1949-00:
(6*1)+(5*9)+(4*4)+(3*9)+(2*0)+(1*0)=94
94 % 10 = 4
So 1949-00-4 is a valid CAS Registry Number.