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120346-33-0

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120346-33-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120346-33-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,3,4 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 120346-33:
(8*1)+(7*2)+(6*0)+(5*3)+(4*4)+(3*6)+(2*3)+(1*3)=80
80 % 10 = 0
So 120346-33-0 is a valid CAS Registry Number.

120346-33-0Relevant articles and documents

NEW APPROACHES TO THE ASYMMETRIC SYNTHESIS OF NON-PROTEINOGENIC α-AMINO ACIDS AND DIPEPTIDES THROUGH CHIRAL β-LACTAM INTERMEDIATES

Ojima, Iwao,Chen, Hauh-Jyun C.,Qiu, Xiaogang

, p. 5307 - 5318 (2007/10/02)

Novel and effective routes to optically pute aromatic α-amino acids, α-methyl-α-amino acids and their derivatives including dipeptides are developed via homochiral β-lactams which are obtained through asymmetric cycloadditions of ketenes to imines.

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