749-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749-72-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 749-72:
(5*7)+(4*4)+(3*9)+(2*7)+(1*2)=94
94 % 10 = 4
So 749-72-4 is a valid CAS Registry Number.
InChI:InChI=1/C23H32O7/c1-20-15(13-8-19(27)30-11-13)4-7-23(20,29)16-3-6-22(28)10-14(25)2-5-21(22,12-24)17(16)9-18(20)26/h8,12,14-18,25-26,28-29H,2-7,9-11H2,1H3/t14-,15+,16?,17?,18+,20-,21-,22-,23-/m0/s1