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123135-51-3

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123135-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123135-51-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,3 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123135-51:
(8*1)+(7*2)+(6*3)+(5*1)+(4*3)+(3*5)+(2*5)+(1*1)=83
83 % 10 = 3
So 123135-51-3 is a valid CAS Registry Number.

123135-51-3Downstream Products

123135-51-3Relevant articles and documents

The Effect of Metal Chelate Complexation on the Reactivity and Absorption Spectra of 1,2-Naphthoquinones: the Synthesis of New Types of Near I.r. Absorbing Dyes

Yoshida, Katsuhira,Koujiri, Tetsunao,Oga, Norio,Ishiguro, Miwa,Kubo, Yuji

, p. 708 - 710 (1989)

The reactions of sodium 1,2-naphthoquinone-4-sulphonate with various arylamines and 1,1-bisethylene were efficiently promoted by nickel(II) ions to give 4-aminated, 4-arylated, and 4-vinylated 1,2-naphtoquinones with absorption ba

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