6693-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6693-90-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,9 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6693-90:
(6*6)+(5*6)+(4*9)+(3*3)+(2*9)+(1*0)=129
129 % 10 = 9
So 6693-90-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H29O8P.C13H18N2O/c1-19-7-5-13(22)9-12(19)3-4-14-15-6-8-21(25,17(24)11-29-30(26,27)28)20(15,2)10-16(23)18(14)19;1-10(2)11-5-3-4-6-12(11)16-9-13-14-7-8-15-13/h5,7,9,14-16,18,23,25H,3-4,6,8,10-11H2,1-2H3,(H2,26,27,28);3-6,10H,7-9H2,1-2H3,(H,14,15)/t14-,15-,16-,18+,19-,20-,21-;/m0./s1