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19820-56-5

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19820-56-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19820-56-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19820-56:
(7*1)+(6*9)+(5*8)+(4*2)+(3*0)+(2*5)+(1*6)=125
125 % 10 = 5
So 19820-56-5 is a valid CAS Registry Number.

19820-56-5Relevant articles and documents

A comparative experimental and theoretical investigation of hydrogen-bond, halogen-bond and π-π interactions in the solid-state supramolecular assembly of 2- and 4-formylphenyl arylsulfonates

Andleeb, Hina,Khan, Imtiaz,Bauzá, Antonio,Tahir, Muhammad Nawaz,Simpson, Jim,Hameed, Shahid,Frontera, Antonio

, p. 816 - 829 (2018)

To explore the operational role of noncovalent interactions in supramolecular architectures with designed topologies, a series of solid-state structures of 2- and 4-formylphenyl 4-substituted benzenesulfonates was investigated. The compounds are 2-formylp

Thiazole amide compound and preparation method, pharmaceutical composition and application thereof

-

Paragraph 0207; 0229; 0230; 0231, (2019/01/08)

The invention discloses a thiazole amide compound and a preparation method thereof, a pharmaceutical composition and application thereof. The thiazole amide compound as shown in a formula I and a pharmaceutically acceptable salt thereof are provided, and

One-Pot Multicomponent Synthesis of Novel 2-Tosyloxyphenylpyrans under Green and Conventional Condition with Anti-inflammatory Activity

Khodairy, Ahmed,Ali, Ali M.,Aboelez, Moustafa O.,El-Wassimy

, p. 1442 - 1449 (2017/03/27)

A mild, efficient, and environmentally green protocol for the synthesis of 2-tosyloxyphenylpyran derivatives 3, 4, 5, 6, 7, 8, 9, 10, 11 via reaction of 2-tosyloxybenzaldehyde (1) with malononitrile and some ketonic reagents in one-pot, three component re

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