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69872-54-4

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69872-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69872-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,7 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69872-54:
(7*6)+(6*9)+(5*8)+(4*7)+(3*2)+(2*5)+(1*4)=184
184 % 10 = 4
So 69872-54-4 is a valid CAS Registry Number.

69872-54-4Downstream Products

69872-54-4Relevant articles and documents

A New Method for Determination of Disulfide Pairing in Peptides

Hidaka, Yuji,Shimonishi, Yasutsugu

, p. 1986 - 1994 (1989)

A new method developed for determination of disulfide pairings in peptides.This method consisted in the synthesis of peptides with deuteriocysteine residues at given positions and the analysis of deuteriocystine generated in the acid hydrolyzates of the synthetic peptides by fast atom bombardment mass spectrometry.The availability of this method was confirmed by its application for determining the positions of disulfide linkages in a heat-stable enterotoxin of enterotoxigenic Escherichia coli.

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