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(S)-4-Methyl-2-oxo-tetrahydro-furan-3-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

147139-95-5

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147139-95-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147139-95-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,1,3 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 147139-95:
(8*1)+(7*4)+(6*7)+(5*1)+(4*3)+(3*9)+(2*9)+(1*5)=145
145 % 10 = 5
So 147139-95-5 is a valid CAS Registry Number.

147139-95-5Relevant academic research and scientific papers

A new synthesis of (S)-β-methyl-γ-butyrolactone and (S)-4-benzyloxy-3-methylbutanoic acid

Berens,Scharf

, p. 832 - 834 (1991)

A stereoselective synthesis of (S)-β-methyl-γ-butyrolactone [(S)-4,5-dihydro-4-methyl-2(3H)-furanone, 1] and of (S)-4-benzyloxy-3-methylbutanoic acid (2) is described. Both compounds are prepared starting from inexpensive L-ethyl lactate with overall yields of 26% and 30%, respectively. The products are valuable chiral building blocks.

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