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Carbonic acid 2-((3S,6S,12R,15S,16R,19S)-3-benzyl-12-ethyl-4,16-dimethyl-2,5,11,14,18,21,24-heptaoxo-19-phenyl-17-oxa-1,4,10,13,20-pentaaza-tricyclo[20.4.0.06,10]hexacos-15-ylcarbamoyl)-pyridin-3-yl ester tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137407-83-1

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137407-83-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137407-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,0 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137407-83:
(8*1)+(7*3)+(6*7)+(5*4)+(4*0)+(3*7)+(2*8)+(1*3)=131
131 % 10 = 1
So 137407-83-1 is a valid CAS Registry Number.

137407-83-1Relevant academic research and scientific papers

UNIQUE 1'-O-BOC PROTECTION OF VIRGINIAMYCIN S AND RESULTING RESISTANCE AGAINST SODIUM HYDROXIDE

Moerman, Marc C.,Anteunis, Marc J. O.

, p. 647 - 652 (2007/10/02)

The picolinic hydroxyl in Virginiamycin S1 (VS%1; 1a) can be protected with di-tert-butyloxycarbonate affording the tert-butyloxycarbonyl derivative thus yielding VS1-1'-O-Boc (1b) in a fast and quantitative conversion without concomitant betaine (1c) formation.Once protected however, the lactone bond in 1b can no longer be cleaved under mild alkaline conditions.A possible explanation is given.

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