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3439-04-1

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3439-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3439-04-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,3 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3439-04:
(6*3)+(5*4)+(4*3)+(3*9)+(2*0)+(1*4)=81
81 % 10 = 1
So 3439-04-1 is a valid CAS Registry Number.

3439-04-1Relevant articles and documents

Synthesis, structure, and double olefin extrusion of all three diastereomers of 2,2,6,6-tetrakis(4-chlorophenyl)-3,7-dimethyl-4-phenyl-1,5-dioxa-4λ 5-phosphaspiro[3.3]heptane

Kawashima, Takayuki,Okazaki, Rei,Okazaki, Renji

, p. 2500 - 2502 (1997)

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Iron-catalyzed decarboxylative methylation of α,β-unsaturated acids under ligand-free conditions

Rong, Guangwei,Liu, Defu,Lu, Linhua,Yan, Hong,Zheng, Yang,Chen, Jie,Mao, Jincheng

, p. 5033 - 5037 (2014/12/10)

It is the first time to find that iron-catalyzed decarboxylative methylation of α,β-unsaturated acids could be performed in the absence of any ligands. During the reaction, the configuration of the double bond could be retained. It is noteworthy that di-t

Rhodium-katalysierte Synthese dreifach substituierter Olefine aus Ethen-Derivaten und Diazoalkanen

Wolf, Justin,Brandt, Lutz,Fries, Arno,Werner, Helmut

, p. 584 - 586 (2007/10/02)

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