81668-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81668-68-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,6 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81668-68:
(7*8)+(6*1)+(5*6)+(4*6)+(3*8)+(2*6)+(1*8)=160
160 % 10 = 0
So 81668-68-0 is a valid CAS Registry Number.
81668-68-0Relevant academic research and scientific papers
OUVERTURE D'EPOXYDES PAR DES ACIDES ORGANIQUES DANS L'H.M.P.T. : NOUVELLE VOIE D'ACCES A DES DESOXYPENTOPYRANOSIDES
Picq, D.,Anker, D.,Pacheco, H.
, p. 4517 - 4520 (2007/10/02)
The opening of pyranic epoxides with organic acids in HMPA leads to regioselectively esterified methyl deoxythreopentopyranosides ; one of them is a convenient intermediate to provide erythro isomers.
