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6-[(2E)-3-(4-nitrophenyl)triaz-2-en-1-yl]-9H-purine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1020069-32-2

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1020069-32-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1020069-32-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,0,0,6 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1020069-32:
(9*1)+(8*0)+(7*2)+(6*0)+(5*0)+(4*6)+(3*9)+(2*3)+(1*2)=82
82 % 10 = 2
So 1020069-32-2 is a valid CAS Registry Number.

1020069-32-2Relevant articles and documents

p-Nitrophenyl triazenyl purine: First adenine-based colorimetric anion sensor

Upadhyay,Kumar, Ajit,Upadhyay, Shalini,Mishra, Rakesh K.,Roychoudhuary

, p. 186 - 187 (2008)

6-[(2E)-3-(4-Nitrophenyl)triaz-2-en-1 -yl]-9H-purine (p-nitrophenyl triazenyl purine, PNTP) has been synthesized and evaluated for sensing the anions PF6-, HSO4-, ClO 4-, and BF4- as their tetrabutylammonium salts in DMSO. This is the first example of any adenine-based anion sensor. The addition of 2 equivalents of PF6- HSO4-, ClO4-, and BF 4- to the 2 × 10-5 mol dm-3 DMSO solution of PNTP at room temperature produced visible color changes and perturbation of UV-vis spectral pattern of PNTP in terms of absorbance at 398 and 575 nm in reciprocal patterns. The sensing ability of PNTP was found to be best for PF6- among all the chosen anions. Copyright

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