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610272-48-5

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610272-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 610272-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,0,2,7 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 610272-48:
(8*6)+(7*1)+(6*0)+(5*2)+(4*7)+(3*2)+(2*4)+(1*8)=115
115 % 10 = 5
So 610272-48-5 is a valid CAS Registry Number.

610272-48-5Relevant articles and documents

Asymmetric synthesis of both enantiomers of anti-4,4,4-trifluorothreonine and 2-amino-4,4,4-trifluorobutanoic acid

Jiang, Zhong-Xing,Qin, Ying-Ying,Qing, Feng-Ling

, p. 7544 - 7547 (2003)

A short and efficient enantio selective synthesis of both enantiomers of anti-4,4,4-trifluorothreonine and 2-amino-4,4,4-trifluorobutanoic acid was successfully developed. Trifluoromethylation of benzyl-protected bromoalkene 4 provided key intermediate trifluoromethylated transdi-substituted alkene 2 in good yield. The sequence then involved Sharpless asymmetric dihydroxylation, nucleophilic opening of cyclic sulfate with NaN3, palladium-catalyzed selective hydrogenation, and oxidation.

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