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117437-19-1

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117437-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117437-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,3 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117437-19:
(8*1)+(7*1)+(6*7)+(5*4)+(4*3)+(3*7)+(2*1)+(1*9)=121
121 % 10 = 1
So 117437-19-1 is a valid CAS Registry Number.

117437-19-1Downstream Products

117437-19-1Relevant articles and documents

ENANTIOMERIC QUANTIFICATIONS OF AMINO ACIDS THROUGH THEIR Nα-ACYL AMIDES BY GAS CHROMATOGRAPHY.

Hosten, N.,Anteunis, M. J. O.

, p. 45 - 47 (2007/10/02)

Apparent separation of 1.1 or higher on Chiralsil Val III can be obtained for Nα-acyl N-alkyl aminoacid amides allowing the use of short capillary gas chromatographic columns.A clean derivatization protocol without racemization is described, proceding through the NCA derivatives that are prepared from "in situ" silylated amino acids with trimethylsilyl cyanide.

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