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134750-74-6

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134750-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134750-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,5 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 134750-74:
(8*1)+(7*3)+(6*4)+(5*7)+(4*5)+(3*0)+(2*7)+(1*4)=126
126 % 10 = 6
So 134750-74-6 is a valid CAS Registry Number.

134750-74-6Relevant articles and documents

The Synthesis of Azophenolic Crown Ethers of CS Symmetry incorporating cis-1-Phenylcyclohexane-1,2-diol Residues and Diastereotopic Face Selectivity in Complexation of Ethanolamine by their Diastereotopic Faces

Naemura, Koichiro,Takeuchi, Sachiko,Asada, Masaki,Hirose, Keiji,Tobe, Yoshito,et al.

, p. 711 - 712 (2007/10/02)

Azophenolic crown ethers 9 and 10 of CS symmetry incorporating cis-1-phenylcyclohexane-1,2-diol residues as a steric barrier have been prepared; they bind ethanolamine stereoselectively to one of their diastereotopic faces.

Synthesis and Enantiomer Recognition of Crown Ethers containing Cyclohexane-1,2-diol Derivatives as the Chiral Centre and Enzymatic Resolution of the Chiral Subunits

Naemura, Koichiro,Miyabe, Hajime,Shingai, Yasuhiro

, p. 957 - 959 (2007/10/02)

The cyclohexane-1,2-diol derivatives 1 and 4 of high optical purity have been prepared by enantioselective hydrolysis of their acetates (+/-)-2 and (+/-)-5 using pig liver esterase.The enantiomer recognition behaviour of the chiral crown ethers 11, 14, 15

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