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1-phenyl-1,2-dideoxy-7-O-(phenoxythiocrbonyl)-4,5:6,8-di-O-isopropylidene-D-talo-D-glycero-oct-1-yne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

457645-20-4

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457645-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 457645-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,4 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 457645-20:
(8*4)+(7*5)+(6*7)+(5*6)+(4*4)+(3*5)+(2*2)+(1*0)=174
174 % 10 = 4
So 457645-20-4 is a valid CAS Registry Number.

457645-20-4Downstream Products

457645-20-4Relevant academic research and scientific papers

Stereodivergent synthesis of 5a-carba-hexopyranoses from carbohydrates via 6-exo-dig radical cyclization: Preparation of 5a-carba-β-D-manno-, α-D-allo-, β-L-talo- and α-L-gulopyranose pentaacetates from D-mannose

Gomez, Ana M.,Moreno, Eduardo,Danelon, Gerardo O.,Valverde, Serafin,Lopez, J. Cristobal

, p. 2961 - 2974 (2007/10/03)

Four carbasugars, 5a-carba-β-D-manno-, α-D-allo-, β-L-talo- and α-L-gulopyranose pentaacetates, have been prepared in a stereodivergent manner from D-mannose. Alkynyl derivatives of 2,3:4,6-di-O-isopropylidene-D-mannopyranose, which are prepared by homolo

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