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1283090-40-3

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1283090-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1283090-40-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,3,0,9 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1283090-40:
(9*1)+(8*2)+(7*8)+(6*3)+(5*0)+(4*9)+(3*0)+(2*4)+(1*0)=143
143 % 10 = 3
So 1283090-40-3 is a valid CAS Registry Number.

1283090-40-3Upstream product

1283090-40-3Downstream Products

1283090-40-3Relevant academic research and scientific papers

Synthesis of 3-halo-2,5-disubstituted furans via CuX mediated cyclization-halogenation reactions

Yazici, Arife,Pyne, Stephen G.

, p. 1398 - 1400 (2011)

The Cu(I) halide (X = I, Br, Cl) mediated reactions of Cbz-protected cis-2-phenylethenyl-3-hydroxypyrrolidine gave novel 3-halo-2,5-trisubstituted furans in good yields, via a cyclization-halogenation, ring-opening reaction sequence. In contrast, the reac

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