7783-24-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7783-24-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7783-24:
(6*7)+(5*7)+(4*8)+(3*3)+(2*2)+(1*4)=126
126 % 10 = 6
So 7783-24-6 is a valid CAS Registry Number.