731772-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 731772-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,1,7,7 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 731772-87:
(8*7)+(7*3)+(6*1)+(5*7)+(4*7)+(3*2)+(2*8)+(1*7)=175
175 % 10 = 5
So 731772-87-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H15BrO2/c1-3-16-13(15)12-6-4-5-11(9-12)8-7-10(2)14/h4-6,9H,2-3,7-8H2,1H3