33929-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33929-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,2 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 33929-16:
(7*3)+(6*3)+(5*9)+(4*2)+(3*9)+(2*1)+(1*6)=127
127 % 10 = 7
So 33929-16-7 is a valid CAS Registry Number.