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(4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

257876-95-2

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257876-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 257876-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,8,7 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 257876-95:
(8*2)+(7*5)+(6*7)+(5*8)+(4*7)+(3*6)+(2*9)+(1*5)=202
202 % 10 = 2
So 257876-95-2 is a valid CAS Registry Number.

257876-95-2Downstream Products

257876-95-2Relevant academic research and scientific papers

Synthesis of 3-deoxy-3,3-difluoroshikimic acid and its 4-epimer from quinic acid

Jiang, Shende,Singh, Gurdial,Boam, Deborah J.,Coggins, John R.

, p. 4087 - 4090 (1999)

3-Deoxy-3,3-difluoroshikimic acid 2 and its 4-epimer 3 as new analogues of shikimic acid have been synthesised from quinic acid in overall yields of 30% and 12%, respectively.

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