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56935-39-8

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56935-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56935-39-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,3 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56935-39:
(7*5)+(6*6)+(5*9)+(4*3)+(3*5)+(2*3)+(1*9)=158
158 % 10 = 8
So 56935-39-8 is a valid CAS Registry Number.

56935-39-8Relevant articles and documents

Catalytic enantioselective desymmetrization of cyclobutane-1,3diones by carbonyl-amine condensation

Wen, Kai-Ge,Liu, Chao,Wei, Dong-Hui,Niu, Yan-Fei,Peng, Yi-Yuan,Zeng, Xing-Ping

supporting information, p. 1118 - 1122 (2021/02/16)

A chiral phosphoric acid-catalyzed enantioselective condensation of 2,2-disubstituted cyclobutane-1,3-diones with a primary amine is described. This reaction offered a mild and efficient protocol for constructing quaternary carbon-containing cyclobutanes

Convenient Synthetic Sequence for the Preparation of Indanones

Smonou, Ioulia,Orfanopoulos, Michael

, p. 1387 - 1397 (2007/10/02)

A convenient and general methods is reported for the synthesis of indanones from aryl ketones or aldehydes.

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