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1309382-38-4

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1309382-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309382-38-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,3,8 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1309382-38:
(9*1)+(8*3)+(7*0)+(6*9)+(5*3)+(4*8)+(3*2)+(2*3)+(1*8)=154
154 % 10 = 4
So 1309382-38-4 is a valid CAS Registry Number.

1309382-38-4Downstream Products

1309382-38-4Relevant articles and documents

Regioselective alkylation of carbohydrate derivatives catalyzed by a diarylborinic acid derivative

Chan, Lina,Taylor, Mark S.

supporting information; experimental part, p. 3090 - 3093 (2011/08/03)

Regioselective, catalyst-controlled monoalkylations of cis-vicinal diol motifs in carbohydrate derivatives, using a diphenylborinic ester precatalyst, are described. Selective installation of benzyl, naphthylmethyl, 4-bromobenzyl and benzyloxymethyl protective groups at a single secondary hydroxy group of ten representative carbohydrate derivatives illustrates the scope of this method. This new mode of catalytic reactivity represents an operationally simple method to access useful monoalkylated building blocks while avoiding the use of stoichiometric quantities of organotin reagents.

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