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723733-82-2

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723733-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 723733-82-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,3,7,3 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 723733-82:
(8*7)+(7*2)+(6*3)+(5*7)+(4*3)+(3*3)+(2*8)+(1*2)=162
162 % 10 = 2
So 723733-82-2 is a valid CAS Registry Number.

723733-82-2Relevant articles and documents

Experimental and theoretical study of near-infrared absorbing naphthoquinone methide dyes with a nonplanar geometry

Kubo, Yuji,Yoshida, Katsuhira,Adachi, Masafumi,Nakamura, Shinichiro,Maeda, Shuichi

, p. 2868 - 2873 (1991)

The bathochromic shift of the near-infrared absorption spectra of naphthoquinone methide dyes has been observed as a function of increased steric hindrance between the quinone imine and aniline segments. This novel shift that results from the loss of plan

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