Cas 75721-17-4,4,6;4',6'-di-O-benzylidene-2,2',3-tri-O-palmitoyl-α,α'-trehalose

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Check Digit Verification of cas no

The CAS Registry Mumber 75721-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75721-17:
(7*7)+(6*5)+(5*7)+(4*2)+(3*1)+(2*1)+(1*7)=134
134 % 10 = 4
So 75721-17-4 is a valid CAS Registry Number.

75721-17-4Upstream product

75721-17-4Downstream Products

75712-65-1 Hexadecanoic acid (4aR,6R,7R,8S,8aR)-6-((4aR,6R,7R,8S,8aR)-8-acetoxy-7-hexadecanoyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-7-hexadecanoyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester

75721-17-4Relevant academic research and scientific papers

'Le BOP' Reagent and Imidazole for Selective O-Acylation of Trehalose

Chapleur, Yves,Castro, Bertrand,Toubiana, Raoul

, p. 1940 - 1943 (2007/10/02)

Benzotriazolyl-N-oxytris(dimethylamino)phosphonium hexafluorophosphate ('Le BOP' reagent) in combination with imidazole provides a very mild system for selective esterification of polyhydroxy-compounds.An example is given showing an improved selectivity towards position 2 of trehalose, leading to new derivatives of 'Cord-Factor'.

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