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339190-43-1

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339190-43-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 339190-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,1,9 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 339190-43:
(8*3)+(7*3)+(6*9)+(5*1)+(4*9)+(3*0)+(2*4)+(1*3)=151
151 % 10 = 1
So 339190-43-1 is a valid CAS Registry Number.

339190-43-1Relevant articles and documents

Sodium borohydride: A versatile reagent in the reductive N-monoalkylation of α-amino acids and α-amino methyl esters

Verardo, Giancarlo,Geatti, Paola,Pol, Elena,Giumanini, Angelo G.

, p. 779 - 788 (2002)

α-Amino acids and α-amino methyl esters are easily converted to their N-monoalkyl derivatives by a reductive condensation reaction using several carbonyl compounds in the presence of sodium borohydride. This reducing agent has shown a wide versatility with minor but essential procedural variations. The reaction allows the α-monodeuterium labeling of the new N-substituent by use of sodium borodeuteride.

Investigation into the enantioselective protonation of enolate Schiff bases with (R)-pantolactone

Calmes, Monique,Glot, Christele,Martinez, Jean

, p. 49 - 52 (2007/10/03)

The effect of several factors on the enantioselective protonation of the enolates of α-amino acid derivatives with (R)-pantolactone were studied. The highest stereoselectivity (74-76% e.e.) was generally observed by associating lithium chloride with LHMDS

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