32917-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32917-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,9,1 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 32917-54:
(7*3)+(6*2)+(5*9)+(4*1)+(3*7)+(2*5)+(1*4)=117
117 % 10 = 7
So 32917-54-7 is a valid CAS Registry Number.