33951-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33951-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,5 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33951-18:
(7*3)+(6*3)+(5*9)+(4*5)+(3*1)+(2*1)+(1*8)=117
117 % 10 = 7
So 33951-18-7 is a valid CAS Registry Number.