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98911-23-0

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98911-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98911-23-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,1 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 98911-23:
(7*9)+(6*8)+(5*9)+(4*1)+(3*1)+(2*2)+(1*3)=170
170 % 10 = 0
So 98911-23-0 is a valid CAS Registry Number.
InChI:InChI=1/C20H22ClNO8.2H2O/c1-11(24)22(30-20-19(27)18(26)17(25)16(10-23)29-20)13-4-8-15(9-5-13)28-14-6-2-12(21)3-7-14;;/h2-9,16-20,23,25-27H,10H2,1H3;2*1H2/t16-,17-,18+,19-,20+;;/m1../s1

98911-23-0Relevant articles and documents

Glycosides of N-Hydroxy-N-arylamine Derivatives. Part 1. Synthesis and Mutagenicity of O-Glycosides of N-Hydroxy-N-arylamines and their Acetohydroxamic Acids

Yoshioka, Tadao,Uematsu, Takayoshi

, p. 1261 - 1270 (2007/10/02)

N-Acetyl-N-arylamino β-D-glucopyranosides (7a-d) were synthesized by the orthoester glycosylation method via N-arylamino β-D-glucopyranosides (6a-d), and the N-acetyl amides, having an N-O-C-1 linkage in their molecules, were characterized by chemical, enzymatic, and spectral analyses.In the mutation assay using Salmonella typhimurium TA100 strain with or without various intracellular fractions of guinea pig liver, these glucosides (7a-d) were non-mutagenic per se, but showed mutagenic activity in the presence of the post-mitochondrial supernatant (S9) or the microsomal fraction (Ms), except for the glucoside (7a).Of the glucosides (7b-d), the compounds having fewer chlorine atoms were more effective in inducing mutations than were those having multiple chlorines.No mutagenic activity was observed in the presence of the soluble supernatant fraction (S10.5).The mutagenecity of the glucosides (7b-d) seemed to be due to the corresponding N-deacetylated compounds (6b-d) formed through hydrolysis by a microsomal deacetylase(s).The pathway of the metabolic activation of the glucosides (7b-d) is discussed.

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