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90682-31-8

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90682-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90682-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,8 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90682-31:
(7*9)+(6*0)+(5*6)+(4*8)+(3*2)+(2*3)+(1*1)=138
138 % 10 = 8
So 90682-31-8 is a valid CAS Registry Number.

90682-31-8Relevant articles and documents

ECO-FRIENDLY MATERIALS AND METHODS FOR RENEWABLE AND SUSTAINABLE APPLICATIONS IN MATERIAL CHEMISTRY

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Page/Page column 42, (2017/09/27)

The invention relates to novel hydrazide-based templates, methods of making the same, and methods of using the hydrazide-based templates as molecular scaffolds for asymmetric light driven transformations, light driven material synthesis, and biological applications. Furthermore, the present invention relates to photoinitiators, monomers, and polymers derived from biomass, together with methods and methods of using the same.

Synthesis of 1H-2-benzopyran-5,8-dione derivatives from 2-(1-hydroxyalkyl)-1,4-benzoquinones and enamines

Kobayashi, Kazuhiro,Nomura, Kosaku,Ogata, Toshikazu,Tanmatsu, Miyuki,Morikawa, Osamu,Konishi, Hisatoshi

, p. 673 - 676 (2007/10/03)

An efficient synthesis of the title benzopyranodione derivatives based on a Michael addition/cyclization sequence between 2-(1-hydroxyalkyl)-1,4-benzoquinones and enamines (or an imine) is described.

Synthesis of Side-Chain-Modified Analogues of the Allergen Primin

Koenig, Wilfried A.,Faasch, Holger,Heitsch, Holger,Colberg, Cornelia,Hausen, Bjoern M.

, p. 387 - 393 (2007/10/02)

Benzoquinones such as primin (2-methoxy-6-pentyl-1,4-benzoquinone) from Primula obconica HANCE (Primulaceae) are known to be strong sensitizers and thus the source of severe allergic contact dermatitis (cell-mediated type of allergy).In order to determine

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