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443991-10-4

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443991-10-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443991-10-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,9,9 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 443991-10:
(8*4)+(7*4)+(6*3)+(5*9)+(4*9)+(3*1)+(2*1)+(1*0)=164
164 % 10 = 4
So 443991-10-4 is a valid CAS Registry Number.

443991-10-4Relevant articles and documents

A practical synthesis of 3-ethyl-l-norvaline

Resnick, Lynn,Galante, Rocco J.

, p. 846 - 849 (2006)

An efficient process for the synthesis of 3-ethyl-l-norvaline has been developed. The route makes use of a Strecker reaction, whereby (S)-(-)-α-methylbenzylamine acts as a chiral auxiliary to provide nearly diastereomerically pure α-amino nitrile. Crystal

Production of chirally pure α-amino acids and N-sulfonyl α-amino acids

-

Page column 22, (2008/06/13)

Methods for production of chirally pure α-amino acids and N-sulfonyl α-amino acids are described. An aldehyde and a cyanide salt are reacted with an α-methylbenzylamine to afford product. The product reacts with a strong acid, neutralized, and extracted.

Heterocyclic sulfonamide inhibitors of beta amyloid production

-

, (2008/06/13)

Compounds of Formula (I), wherein R1, R2, R3, R4, R5, R6, T, W, X, Y and Z are as defined herein are provided, together with pharmaceutically acceptable salt, hydrates and/or prodrugs there

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