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1448989-42-1

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1448989-42-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1448989-42-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,8,9,8 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1448989-42:
(9*1)+(8*4)+(7*4)+(6*8)+(5*9)+(4*8)+(3*9)+(2*4)+(1*2)=231
231 % 10 = 1
So 1448989-42-1 is a valid CAS Registry Number.

1448989-42-1Upstream product

1448989-42-1Downstream Products

1448989-42-1Relevant articles and documents

Highly enantioselective thiolysis of prochiral cyclic anhydrides catalyzed by amino alcohol bifunctional organocatalysts and its application to the synthesis of pregabalin

Yang, Hong-Jun,Xiong, Fang-Jun,Chen, Xiao-Fei,Chen, Fen-Er

, p. 4495 - 4498 (2013)

Asymmetric thiolysis of prochiral cyclic anhydrides was achieved with our developed chiral sulfonamide and squaramide bifunctional organocatalysts based on amino alcohol scaffolds. The corresponding thioesters were obtained in high yields with excellent enantioselectivities. The usefulness of this methodology was demonstrated in the enantioselective synthesis of pregabalin. A highly enantioselective thiolysis of prochiral cyclic anhydrides was achieved with chiral sulfonamide bifunctional organocatalysts based on an amino alcohol scaffold. The usefulness of this methodology was demonstrated through a synthetic application to pregabalin. Copyright

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