750-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 750-90-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 750-90:
(5*7)+(4*5)+(3*0)+(2*9)+(1*0)=73
73 % 10 = 3
So 750-90-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H24N2O2.C7H6O3/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18;8-6-4-2-1-3-5(6)7(9)10/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3;1-4,8H,(H,9,10)/t13-,14-,19-,20+;/m0./s1