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1205553-81-6

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1205553-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1205553-81-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,5,5,5 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1205553-81:
(9*1)+(8*2)+(7*0)+(6*5)+(5*5)+(4*5)+(3*3)+(2*8)+(1*1)=126
126 % 10 = 6
So 1205553-81-6 is a valid CAS Registry Number.

1205553-81-6Downstream Products

1205553-81-6Relevant articles and documents

Catalytic asymmetric conjugate addition of nitroalkanes to 4-nitro5-styrylisoxazoles

Baschieri, Andrea,Bernardi, Luca,Ricci, Alfredo,Suresh, Surisetti,Adamo, Mauro F. A.

supporting information; experimental part, p. 9342 - 9345 (2010/03/24)

(Chemical equation presented) Nitro versus nitro: 4-Nitro-5- styrylisoxazoles were used as masked α,β-unsaturated carboxylic acids in the titled catalytic asymmetric transformation. The 4-nitroisoxazole core acts as an activator of the conjugated alkene and a latent carboxylate functionality. The reaction proceeded with 5 mol% of a readily prepared phasetransfer catalyst at room temperature with remarkable diastereo- and enantioselectivity (see scheme).

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