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833-62-5

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833-62-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 833-62-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 833-62:
(5*8)+(4*3)+(3*3)+(2*6)+(1*2)=75
75 % 10 = 5
So 833-62-5 is a valid CAS Registry Number.

833-62-5Downstream Products

833-62-5Relevant articles and documents

REACTIONS OF 3-SUBSTITUTED QUINOLINE 1-OXIDES WITH ACYLATING AGENTS

Miura, Yutaka,Takaku, Sakae,Nawata, Yoshiharu,Hamana, Masatomo

, p. 1579 - 1586 (2007/10/02)

Reactions of 3-fluoro- (1a), 3-bromo- (1b), 3-methyl- (1c), 3-methoxy- (1d) and 3-acetamidoquinoline 1-oxides (1e) with acylating agents (POCl3, Ac2O, TsCl and PhCOCl) were examined (Table).While only 2-substituted quinolines were obtained from 1a and 1b, fair amounts of 4-substituted products were formed in reactions of 1d, the sole formation of the 4-acetoxyquinoline (6) with Ac2O being the most significant result. 2-Chloroquinolines, 4-chloroquinolines and 2-tosyloxyquinolines were formed (and sometimes predominate) in addition to 2-quinolinones in reactions with TsCl.

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