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126875-69-2

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126875-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126875-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,8,7 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126875-69:
(8*1)+(7*2)+(6*6)+(5*8)+(4*7)+(3*5)+(2*6)+(1*9)=162
162 % 10 = 2
So 126875-69-2 is a valid CAS Registry Number.

126875-69-2Relevant articles and documents

N-ACETOXY-4-METHOXYANILINE, A MODEL COMPOUND FOR THE ULTIMATE CARCINOGEN OF THE PHENACETIN RELATED 4-ETHOXYANILINE

Meier, Chris,Boche, Gernot

, p. 1693 - 1696 (1990)

We prepared and trapped in situ with N-methylaniline and deoxyguanosine (dG) the three N-acyloxy-4-methoxyanilines 7a-c.Furthermore, we synthesized N-acetoxy-4-methoxyaniline 7a and reacted it with dG.Especially 7a is a model for the ultimate carcinogen o

N-Aryl-O-(α-aminoacyl)hydroxylamines: Model Reactions with Deoxyguanosine, Guanosine and 5'-Guanosinemonophosphate for the Activation of Monocyclic Aromatic Amines (e.g. Phenacetin) into Ultimate Carcinogens

Meier, Chris,Boche, Gernot

, p. 1699 - 1705 (2007/10/02)

In in vitro model reactions of the activation of monocyclic aromatic amines by α-amino acids it is shown that α-aminohydroxamic acids 8 and 9 rearrange base-catalyzed to N-(α-aminoacyloxy)arylamines 10 and 11 which react with bionucleophiles such as deoxyguanosine (dG) (12), guanosine (G) (13) and 5'-guanosinemonophosphate (5'-GMP) (14) to form adducts.We describe the regioselective formation of the C-8 adducts of 4-chloroaniline (15), aniline (16), 4-methylaniline (17), and 4-methoxyaniline (18), respectively, , and also of N-(guanosine-8-yl)-4-methylaniline (21) and 8-(4-methylanilino)-5'-guanosinemonophosphate (22).Similar reactions of the N-(acetoxy)arylamines 20, which are very likely to be "ultimate" carcinogens of aromatic amines, lead to the same C-8 adducts 15-18, 21, and 22 in comparable yields.These in vitro reactions thus show that the N-(α-aminoacyloxy)arylamines 10 and 11 react like the N-(acetoxy)anilines 20 as "ultimate" carcinogens.Therefore, the activation of aromatic hydroxylamines by O-α-aminoacylation is of similar quality as by O-acetylation.

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