23994-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23994-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,9 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23994-52:
(7*2)+(6*3)+(5*9)+(4*9)+(3*4)+(2*5)+(1*2)=137
137 % 10 = 7
So 23994-52-7 is a valid CAS Registry Number.