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(R)-2-(4-chlorophenyl)-4-nitromethyl-4H-chromene-3-carbaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1220193-95-2

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1220193-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1220193-95-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,1,9 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1220193-95:
(9*1)+(8*2)+(7*2)+(6*0)+(5*1)+(4*9)+(3*3)+(2*9)+(1*5)=112
112 % 10 = 2
So 1220193-95-2 is a valid CAS Registry Number.

1220193-95-2Downstream Products

1220193-95-2Relevant academic research and scientific papers

Iminium-allenamine cascade catalysis: One-pot access to chiral 4Hchromenes by a highly enantioselective michael-michael sequence

Zhang, Xinshuai,Zhang, Shilei,Wang, Wei

supporting information; experimental part, p. 1481 - 1484 (2010/05/18)

Chemical Equation Presented Taking the Michael-Michael: A cascade Michael-Michael reaction of aryl or alkyl alkynals, involving an unprecedented iminium - allenamine sequence, is efficiently catalyzed by a chiral diphenylprolinol TBDMS ether, and affords highly functionalized 4H-chromenes in high yields. TBDMS = tert-butyldimethylsilyl.

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