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107640-69-7

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107640-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107640-69-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,4 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 107640-69:
(8*1)+(7*0)+(6*7)+(5*6)+(4*4)+(3*0)+(2*6)+(1*9)=117
117 % 10 = 7
So 107640-69-7 is a valid CAS Registry Number.

107640-69-7Downstream Products

107640-69-7Relevant articles and documents

Facile stereoselective synthesis of γ-substituted γ-amino acids from the corresponding α-amino acids

Smrcina, Martin,Majer, Pavel,Majerova, Eva,Guerassina, Tatiana A.,Eissenstat, Michael A.

, p. 12867 - 12874 (2007/10/03)

A facile stereoselective method for the synthesis of γ-substituted, γ-amino acids from α-amino acids was developed. The key step of the procedure is complete reduction of the keto functionality of α-amino acyl Meldrum's acid by sodium acetoxyborohydride. The resulting amino alkyl Meldrum's acid undergoes thermal decarboxylative ring closure to a 5-substituted pyrrolidinone which yields the corresponding γ-amino acid after basic hydrolysis. The overall yield of the procedure ranges from 40 to 65%.

Simplified cytochalasins. 1. Synthesis of versatile perhydroisoindolone intermediates

Krafft,Garcia,Guram,et al.

, p. 2691 - 2694 (2007/10/02)

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