28729-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28729-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,7,2 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28729-52:
(7*2)+(6*8)+(5*7)+(4*2)+(3*9)+(2*5)+(1*2)=144
144 % 10 = 4
So 28729-52-4 is a valid CAS Registry Number.
InChI:InChI=1/C7H14/c1-6-4-3-5-7(6)2/h6-7H,3-5H2,1-2H3