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Acetic acid (2S,3R,4S,5S)-5-acetoxy-2,4-bis-benzyloxy-tetrahydro-pyran-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81692-05-9

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81692-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81692-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81692-05:
(7*8)+(6*1)+(5*6)+(4*9)+(3*2)+(2*0)+(1*5)=139
139 % 10 = 9
So 81692-05-9 is a valid CAS Registry Number.

81692-05-9Relevant academic research and scientific papers

STEREOSELECTIVE HYDROGENOLYSIS OF DIOXOLANE-TYPE BENZYLIDENE ACETALS; PREPARATION OF MONO- AND DI-O-BENZYL ETHERS OF BENZYL β-L-ARABINOPYRANOSIDE

Liptak, A.,Szurmai, Z.,Harangi, J.,Nanasi, P.

, p. 333 - 342 (2007/10/02)

Both isomers (2 and 3) of benzyl 3,4-O-benzylidene-β-L-arabinopyranoside, their 2-O-benzyl- (4 and 5), 2-O-allyl (6 and 7) and 2-O-p-toluenesulfonyl (8 and 9) derivatives were prepared and hydrogenolyzed with LiAlH4-AlCl3 reagent.The exo-isomers (2, 4, 6)

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