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2H-Naphtho[1,2-b]-1,4-thiazin-3(4H)-one, 2-phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143667-63-4

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143667-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143667-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,6,6 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143667-63:
(8*1)+(7*4)+(6*3)+(5*6)+(4*6)+(3*7)+(2*6)+(1*3)=144
144 % 10 = 4
So 143667-63-4 is a valid CAS Registry Number.

143667-63-4Downstream Products

143667-63-4Relevant academic research and scientific papers

Convenient synthesis of 2-aminonaphthalene-1-thiol and 3-aminoquinoline-4-thiol and cyclocondensations to 1,4-thiazino and 1,4-thiazepino derivatives

Ambrogi,Grandolini,Perioli,Rossi

, p. 656 - 658 (1992)

An improved method for the synthesis of 2-aminonaphthalene-1-thiol and an alternative procedure for the preparation of 3-aminoquinoline-4-thiol are described. From these intermediates some 1,4-thiazino and 1,4-thiazepino tricyclic derivatives have been prepared.

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