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80389-40-8

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80389-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80389-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,8 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80389-40:
(7*8)+(6*0)+(5*3)+(4*8)+(3*9)+(2*4)+(1*0)=138
138 % 10 = 8
So 80389-40-8 is a valid CAS Registry Number.

80389-40-8Relevant articles and documents

A new convergent synthesis of WS-5995-B, an anticoccidial antibiotic from Streptomyces auranticolor

Rama Devi,Iyengar,Pardhasaradhi

, p. 2543 - 2550 (2007/10/02)

A new synthesis of WS-5995-B, an anticoccidial antibiotic isolated from Streptomyces auranticolor is reported via the coupling reaction between 3-bromo-5,6,7,8-tetrahydrojuglone, and 3-methoxy-5-methyl anthranilic acid. A simple method for the preparation of the anthranilate 7 starting from p-toluidine by shorter sequence is reported.

Synthesis of The Gilvocarcin-M Aglycone

McKenzie, Thomas C.,Hassen, Wesley,Macdonald, Simon J. F.

, p. 5435 - 5436 (2007/10/02)

The synthesis of the aglycone of the antibiotic Gilvocarcin-M by a sequential Meerwein Diels-Alder route is reported.The D-ring of the aglycone is attached by a halogen atom directed Meerwein arylation reaction and the A-ring is attached by a halogen atom directed Diels-Alder reaction.In the key step the directing chlorine atom is removed by a new thiophenylation reduction sequence.

1,4-Naphtoquinone derivatives and their use in treating coccidiosis

-

, (2008/06/13)

1,4-naphthoquinone derivatives represented by the following general formula: STR1 (wherein R1 represents a hydrogen atom, a hydroxy group, a lower alkoxy group or an arylthio group, R2 represents a carboxy group, an esterified carbox

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