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162585-54-8

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162585-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 162585-54-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,5,8 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 162585-54:
(8*1)+(7*6)+(6*2)+(5*5)+(4*8)+(3*5)+(2*5)+(1*4)=148
148 % 10 = 8
So 162585-54-8 is a valid CAS Registry Number.

162585-54-8Downstream Products

162585-54-8Relevant articles and documents

Deuterated Derivatives of 3,5-Dimethyl-1-(4-nitrophenyl)pyrazole for Nonlinear Optical Materials

Okazaki, Masaki,Uchino, Nobuhiko,Nozaki, Nobuharu,Kubo, Kazumi

, p. 1024 - 1029 (1995)

A weak absorption of laser light by a nonlinear optical crystal causes a noticeable temperature rise in the crystal.Such absorption may undesirably shift the reflactive indices (some optical characteristics) of the crystal. 3,5-dimethyl-1-(4-nitrophenyl)pyrazole , an excellent nonlinear optical material, was deuterated in order to suppress its absorption in the 1 μm wavelength region.Three deuterated derivatives were synthesized; their crystal structures were identical with that of DMNP.The deuteration of the pyrazole part including the two methyl moieties proved to be more effective than deuteration of the phenyl part (benzene ring) with regard to a reduction of the IR absorption.A good correlation was confirmed between the temperature elevation under laser irradiation and IR absorption.

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