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126875-81-8

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126875-81-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126875-81-8 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, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126875-81:
(8*1)+(7*2)+(6*6)+(5*8)+(4*7)+(3*5)+(2*8)+(1*1)=158
158 % 10 = 8
So 126875-81-8 is a valid CAS Registry Number.

126875-81-8Relevant articles and documents

Synthesis of DNA strands site-specifically damaged by C8-arylamine purine adducts and effects on various DNA polymerases

Boege, Nicolas,Jacobsen, Maike I.,Szombati, Zita,Baerns, Sabrina,Di Pasquale, Francesca,Marx, Andreas,Meier, Chris

experimental part, p. 11194 - 11208 (2009/11/30)

C8-Arylamine-dG and C8-arylamine-dA adducts have been prepared using palladium cross-coupling chemistry. These adducts were subsequently converted into the corresponding 5′-O-DMTr-C8-arylamine-3′-O-phosphoramidites and then used for the automated synthesi

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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