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40015-10-9

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40015-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40015-10-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,1 and 5 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40015-10:
(7*4)+(6*0)+(5*0)+(4*1)+(3*5)+(2*1)+(1*0)=49
49 % 10 = 9
So 40015-10-9 is a valid CAS Registry Number.

40015-10-9Relevant articles and documents

A practical regioselective synthesis of alkylthio- or arylthioindoles without the use of smelly compounds such as thiols

Hamashima, Toshihiko,Mori, Yoshiaki,Sawada, Kazunori,Kasahara, Yuko,Murayama, Daisuke,Kamei, Yuto,Okuno, Hiroaki,Yokoyama, Yuusaku,Suzuki, Hideharu

, p. 292 - 303 (2013/05/08)

A convenient method for the synthesis of 3-methylthioindoles has been established which does not use smelly compounds such as thiol derivatives. The method, which introduces an alkyl- or arylthio-group into the C3-position of the indole skeleton, was extended to the direct introduction of a methylthio or bromo group at the C2-position using 3-methylthioindoles. No dimerization occurred, and the reaction mechanism was confirmed. The products have the partial structure of potent anti-methicillin-resistant Staphylococcus aureus (anti-MRSA) bromomethylthioindoles (MC 5-8) isolated from marine algae. Furthermore, this reaction could be applied to the synthesis of 3,3-diindolyl thioether which is a core structure of Echinosulfone A.

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