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186962-33-4

ethyl (E)-2-((benzyloxycarbonylamino)methylene)-3-oxobutanoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

186962-33-4

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186962-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186962-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,9,6 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 186962-33:
(8*1)+(7*8)+(6*6)+(5*9)+(4*6)+(3*2)+(2*3)+(1*3)=184
184 % 10 = 4
So 186962-33-4 is a valid CAS Registry Number.

186962-33-4Downstream Products

186962-33-4Relevant articles and documents

Organocatalytic enantioselective synthesis of nitrogen-substituted dihydropyran-2-ones, a key synthetic intermediate of 1β-methylcarbapenems

Kobayashi, Shoji,Kinoshita, Tatsuhiro,Uehara, Hisatoshi,Sudo, Tomoko,Ryu, Llhyong

, p. 3934 - 3937 (2009)

Organocatalytic enantioselective cycloadditions providing nitrogen-substituted dihydropyran-2-ones were developed in two catalytic systems. The (3R,4R)-product was a versatile intermediate in the synthesis of 1β-methylcarbapenem antibiotics.

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