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1,6-Dithia-3,8-diazaspiro[4.4]nona-2,7-diene-4,9-dione, 2,7-bis(phenylamino)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21465-54-3

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21465-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21465-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,6 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21465-54:
(7*2)+(6*1)+(5*4)+(4*6)+(3*5)+(2*5)+(1*4)=93
93 % 10 = 3
So 21465-54-3 is a valid CAS Registry Number.

21465-54-3Downstream Products

21465-54-3Relevant academic research and scientific papers

2-Alkyl/arylimino-5-carbethoxythiazolidin-4-ones: A new synthon for the synthesis of spiro and fused ring heterocycles: Part I

Chande, Madhukar S.,Ambhaikar, Shireesh B.

, p. 373 - 376 (2007/10/03)

The title compounds 3 have been synthesised by the interaction of thiocarbamide (2) with diethylbromomalonate (1). The reaction of 3 with hydrazines affords 2-arylimino-2,3,4,5-tetrahydropyrazolo[3,4-d]-thiazol-6(H)-ones (4). Bromination of 3 affords 5-br

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