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321125-73-9

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321125-73-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321125-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,1,2 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 321125-73:
(8*3)+(7*2)+(6*1)+(5*1)+(4*2)+(3*5)+(2*7)+(1*3)=89
89 % 10 = 9
So 321125-73-9 is a valid CAS Registry Number.

321125-73-9Downstream Products

321125-73-9Relevant articles and documents

Enzymatic desymmetrization of 3-alkyl- and 3-arylglutaronitriles, a simple and convenient approach to optically active 4-amino-3-phenylbutanoic acids

Wang, Mei-Xiang,Liu, Chu-Sheng,Li, Ji-Sheng

, p. 3367 - 3373 (2002)

The enantioselective hydrolysis of 3-alkyl- and 3-arylglutaronitriles catalyzed by Rhodococcus sp. AJ270 cells, afforded the corresponding (S)-3-substituted 4-cyanobutanoic acids with low to moderate enantiomeric purities. Additives such as acetone were found to significantly enhance the enantioselectivity of the desymmetrization, giving enantiomeric excesses of up to 95%. The synthetic potential of the homochiral product was also demonstrated by the preparation of optically active (R)- and (S)-4-amino-3-phenylbutanoic acids.

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