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128677-90-7

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128677-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128677-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,7 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128677-90:
(8*1)+(7*2)+(6*8)+(5*6)+(4*7)+(3*7)+(2*9)+(1*0)=167
167 % 10 = 7
So 128677-90-7 is a valid CAS Registry Number.

128677-90-7Relevant articles and documents

BETA-TETRAZOLYL-PROPIONIC ACIDS AS METALLO-BETA-LACTAMASE INHIBITORS

-

, (2015/11/27)

The present invention relates to compounds of formula I that are metallo-β-lactamase inhibitors, the synthesis of such compounds, and the use of such compounds for use with β-lactam antibiotics for overcoming resistance.

ASYMMETRIC SYNTHESIS OF UNUSUAL AMINO ACIDS: SYNTHESIS OF OPTICALLY PURE ISOMERS OF β-METHYLPHENYLALANINE

Dharanipragada, Ramalinga,Nicolas, Ernesto,Toth, Geza,Hruby, Victor J.

, p. 6841 - 6844 (2007/10/02)

All the four individual isomers of β-methylphenylalanine have been synthesized in very high optical purities by utilizing in part the chiral imide enolate bromination methodology of Evans and co-workers.

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