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877081-01-1

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877081-01-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 877081-01-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,0,8 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 877081-01:
(8*8)+(7*7)+(6*7)+(5*0)+(4*8)+(3*1)+(2*0)+(1*1)=191
191 % 10 = 1
So 877081-01-1 is a valid CAS Registry Number.

877081-01-1Relevant articles and documents

Asymmetric synthesis of substituted azetidine type α- and β-amino acids

Enders, Dieter,Gries, Joerg

, p. 3508 - 3516 (2007/10/03)

A versatile asymmetric synthesis of 3-substituted azetidine-2-carboxylic acids and 2-substituted azetidine-3-carboxylic acids via 1,3-amino alcohols with excellent stereoselectivities (de ≥ 96%, ee ≥ 96%) is reported. The high asymmetric inductions were achieved employing the SAMP/RAMP-hydrazone methodology. A phenyl moiety was used as a synthetic equivalent of the carboxylic acid function. In addition, the amino acids prepared were tested as organocatalysts in an asymmetric aldol reaction. Georg Thieme Verlag Stuttgart.

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