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219727-01-2

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219727-01-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219727-01-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,7,2 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 219727-01:
(8*2)+(7*1)+(6*9)+(5*7)+(4*2)+(3*7)+(2*0)+(1*1)=142
142 % 10 = 2
So 219727-01-2 is a valid CAS Registry Number.

219727-01-2Relevant articles and documents

Selective N-deacetylation of p-nitrophenyl N,N'-diacetyl-β-chitobioside and its use to differentiate the action of two types of chitinases

Tokuyasu, Ken,Ono, Hiroshi,Kitagawa, Yuki,Ohnishi-Kameyama, Mayumi,Hayashi, Kiyoshi,Mori, Yutaka

, p. 173 - 178 (1999)

We report the synthesis of a novel compound for chitinase assays, p-nitrophenyl 2-acetamido-4-O-(2-amino-2-deoxy-β-D-glucopyranosyl)-2-deoxy-β-D-glucopyranoside [GlcNGlcNAc-pNP] by selective N-deacetylation of p-nitrophenyl 2-acetamido-4-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-2-deoxy-β-D-glucopyranoside [(GlcNAc)2-pNP] using a purified chitin deacetylase isolated from Colletotrichum lindemuthianum ATCC 56676. FABMS, 1H NMR, and 13C NMR analyses confirmed the structure of this new compound. This disaccharide derivative can be used to distinguish special chitinases that effectively remove partially deacetylated parts of substrates within a mixture of chitinases which degrades (GlcNAc)2-pNP. Copyright (C) 1999 Elsevier Science Ltd.

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