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445399-68-8

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445399-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 445399-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,5,3,9 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 445399-68:
(8*4)+(7*4)+(6*5)+(5*3)+(4*9)+(3*9)+(2*6)+(1*8)=188
188 % 10 = 8
So 445399-68-8 is a valid CAS Registry Number.

445399-68-8Relevant articles and documents

Enzymatic kinetic resolution of 1-(3′-furyl)-3-buten-1-ol and 2-(2′-furyl)-propan-1-ol

Bierstedt, Anja,Stoelting, Joern,Froehlich, Roland,Metz, Peter

, p. 3399 - 3407 (2002)

The enzymatic kinetic resolution of the racemic alcohols 1-(3′-furyl)-3-buten-1-ol (±)-1 and 2-(2′-furyl)propan-1-ol (±)-2 was investigated by screening a range of lipases and esterases for enantioselective transacylation, as well as for enantioselective hydrolysis. For both alcohols, lipase-catalyzed hydrolysis of the derived racemic acetate gave the best results for accessing the desired (S)-enantiomers. In the case of the secondary alcohol (±)-1, ASL turned out to be the optimum enzyme, whereas PPL was found to be superior in the case of the primary alcohol (±)-2. Additionally, an alternative access to (S)-2 via Oppolzer's camphor sultam methodology is described.

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