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(+/-)-(5S*,4aS*,10bS*)-1,2,3,4,4a,10b-hexahydro-5-(4-methylphenyl)-5λ4-dibenzo<1,2>thiazine 5-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138921-59-2

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138921-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138921-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,2 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138921-59:
(8*1)+(7*3)+(6*8)+(5*9)+(4*2)+(3*1)+(2*5)+(1*9)=152
152 % 10 = 2
So 138921-59-2 is a valid CAS Registry Number.

138921-59-2Relevant articles and documents

Lewis Acid Mediated Reaction of N-Phenyl-S-(4-methylphenyl)sulfoximidoyl Chloride with Alkenes

Harmata, Michael,Claassen, R. J.,Barnes, Charles L.

, p. 5059 - 5062 (1991)

The reaction of N-phenyl-S-(4-methylphenyl)sulfoximidoyl chloride (1) with alkenes in the presence of aluminum chloride leads to 2,1-benzothiazines in good yield.The reaction is regioselective, sometimes highly stereoselective, and is stereospecific with

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