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19487-11-7

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19487-11-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19487-11-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,8 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19487-11:
(7*1)+(6*9)+(5*4)+(4*8)+(3*7)+(2*1)+(1*1)=137
137 % 10 = 7
So 19487-11-7 is a valid CAS Registry Number.

19487-11-7Relevant articles and documents

Electrochemical chlorination and bromination of electron-deficient C[sbnd]H bonds in quinones, coumarins, quinoxalines and 1,3-diketones

Yu, Dan,Ji, Ruixue,Sun, Zhihui,Li, Wenjie,Liu, Zhong-Quan

supporting information, (2021/11/16)

The electrochemistry-promoted chlorination and bromination of electron-deficient C[sbnd]H bonds was developed, using quinones, coumarins, quinoxalines and 1,3-diketones. This protocol features readily available and safe halogen sources (hydrochloric acid and KBr), high site-selectivity and mild reaction conditions. It could provide an efficient access to a series of chlorinated and brominated quinones, coumarins, quinoxalines and 1,3-diketones.

The Chlorination of 2-t-Butyl-4,6-dimethylphenol and 2,6-Di-t-butyl-4-methylphenyl. The Formation of 5,6-Dichloro-4-methylenecyclohex-2-enones

Hartshorn, Michael P.,Judd, Maurice C.,Robinson, Ward T.

, p. 2121 - 2143 (2007/10/02)

The chlorination in acetic acid of 2-t-butyl-4,6-dimethylphenyl (1) gives two chloromethylene compounds (4) and (5), and trichloro ketones (6) and (7).In contrast, 2,6-di-t-butyl-4-methylphenol (2) gives six chlorination products (14)-(19).The notable fea

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