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64125-85-5

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64125-85-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64125-85-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,1,2 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 64125-85:
(7*6)+(6*4)+(5*1)+(4*2)+(3*5)+(2*8)+(1*5)=115
115 % 10 = 5
So 64125-85-5 is a valid CAS Registry Number.

64125-85-5Upstream product

64125-85-5Downstream Products

64125-85-5Relevant articles and documents

New enantioselective synthesis of 4-hydroxy-2-oxopyrrolidine-N-acetamide (oxiracetam) from malic acid

Almeida,Anaya,Martin,Grande,Moran,Cruz Caballero

, p. 1431 - 1440 (1992)

The enantioselective synthesis of oxiracetam has been accomplished from readily available optically active D(+) and L(-) malic acids. the key step of the described method involves the selective reduction of a chiral cyclic diimide; in this way, both enantiomers of 4-hydroxy-2-oxopyrrolidine-N-acetamides were prepared.

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