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252316-80-6

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252316-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252316-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,3,1 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 252316-80:
(8*2)+(7*5)+(6*2)+(5*3)+(4*1)+(3*6)+(2*8)+(1*0)=116
116 % 10 = 6
So 252316-80-6 is a valid CAS Registry Number.

252316-80-6Relevant articles and documents

Enzymatic resolution of (±)-conduritol-B, a key intermediate for the synthesis of glycosidase inhibitors

Sanfilippo, Claudia,Patti, Angela,Nicolosi, Giovanni

, p. 3273 - 3276 (1999)

Lipases from porcine pancreas, Candida cylindracea and Mucor miehei (adsorbed on support, Lipozyme IM) catalysed in t-butylmethylether the alcoholysis of rac-conduritol-B peracetate, (±)-1, by n-butanol to give enantiopure (2S,3S)-diacetoxy-(1R,4R)-dihydroxycyclohex-5-ene, (-)-3, and (1S,2R,3R,4S)-tetraacetoxy-cyclohex-5-ene, (+)-1. The enantioforms (+)- and (-)-conduritol-B, obtained after chemical hydrolysis of (-)-3 and (+)-1, respectively, may be employed to prepare both the enantiomers of conduritol-B epoxide and cyclophellitol, powerful inhibitors of glycosidases.

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