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80738-63-2

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80738-63-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80738-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,3 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80738-63:
(7*8)+(6*0)+(5*7)+(4*3)+(3*8)+(2*6)+(1*3)=142
142 % 10 = 2
So 80738-63-2 is a valid CAS Registry Number.

80738-63-2Upstream product

80738-63-2Relevant articles and documents

O,O-DIALKYLPHOSPHOROSELENOIC ACIDS AS FUNCTIONALISING REAGENTS OF MONOSACCHARIDES-III A NOVEL SYNTHESIS OF UNSATURATED SUGARS BY DEOXYGENATION OF SUGAR EPOXIDES WITH DIALKYLPHOSPHOROSELENOIC ACIDS

Kudelska, Wieslawa,Michalska, Maria

, p. 2989 - 2994 (2007/10/02)

Sugar epoxides are transformed in almost quantitative yields, under mild reaction conditions, into their corresponding unsaturated monosaccharides by reaction with O,O-dialkylphosphoroselenoic acids salts.A mechanism involving the formation of a penta-coordinate phosphorus intermediate is proposed. The deoxygenation was performed with the following sugar epoxides: 5,6-anhydro-1,2-O-isopropylidene-α-D-glucofuranose (1), 5,6-anhydro-1,2-O-cyclohexylidene-α-D-glucofuranose (2), methyl-2,3-anhydro-4,6-O-benzylidene-α-D-allopyranoside (3), methyl-2,3-anhydro-4,6-O-benzylidene-α-D-mannopyranoside (4) and 3,4,6-tri-O-acetyl-1,2-anhydro-α-D-glucopyranose (Brigl's anhydride) (5).

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