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675587-66-3

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675587-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 675587-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,5,5,8 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 675587-66:
(8*6)+(7*7)+(6*5)+(5*5)+(4*8)+(3*7)+(2*6)+(1*6)=223
223 % 10 = 3
So 675587-66-3 is a valid CAS Registry Number.

675587-66-3Relevant articles and documents

Synthesis of N,N-dimethyl-2,4-dinitro-5-fluorobenzylamine and its reactions with amino acids and peptides

Liu, Zhongfa,Sayre, Lawrence M.

, p. 1601 - 1610 (2007/10/03)

A practical synthesis is described for N,N-dimethyl-2,4-dinitro-5- fluorobenzylamine (DMDNFB) and its -d6 analog as an alternative Sanger's reagent (DNFB), for purposes of amino acid derivatization detectable by positive mode electrospray ionization mass spectrometry. DMDNFB is comparable to DNFB in its efficiency to derivatize amino acids and peptides. Various DMDNP (d0/d6) derivatives of (modified) lysine were synthesized to evaluate the potential use of isotope-edited LC-ESI-MS as a tool for structural definition of the posttranslational modification of protein-based lysines.

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