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Dow announces a series of capacity expansion plans
2021-07-07 -
Dozens of chemical giants "collectively stop production"!
2021-07-19 -
When will the shipping "super peak season" end?
2021-07-21 -
From August 1st, many shipping companies charge high port congestion fees!
2021-07-20 -
Out of control! Raw materials are up! Sea freight has risen! An unprecedented price increase is coming!
2021-07-01 -
Epoxy resin and bisphenol A chemical raw materials fell collectively!
2021-07-02
Antibacterials Intermediates
Antibacterials
3,4-Difluoronitrobenzene
(369-34-6)-
Pharmacy Grade / -
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- / 99%
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Suppliers of 3,4-Difluoronitrobenzene
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Clarithromycin
(81103-11-9)2. Antibacterial
3. Clarithromycin is a semi-synthetic macrolide antibiotic. Clarithromycin is a derivative of Erythromycin (E650000).
4. Clarithromycin (6-methoxyerythromycin) is a macrolide antibiotic active against a broad range of Gram positive bacteria. Clarithromycin was designed to enhance acid stability and improve oral bioavailability compared with erythromycin which is highly unstable to acidic conditions, undergoing a series of internal ketalisations between the 9-keto moiety and alcohols at C6 and C11. Omura and colleagues found that protection of the labile 6-OH group by methylation provided a simple but elegant solution.
5. Labeled Clarithromycin, intended for use as an internal standard for the quantification of Clarithromycin by GC- or LC-mass spectrometry.
6. A macrolide antibiotic and protein synthesis inhibitor
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$30/KG EXW
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Pharmacy grade / 97%
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Pharmacy grade / 99%
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$20-25/KG FOB
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Pharmacy Grade / 99.9%
$100/KG FOB
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$1000-1200/KG EXW
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Chemical Grade / 99%
$100-120/G EXW
Suppliers of beta-Methylvinylphosphate(MAP)
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Erythromycin
(114-07-8)-
Pharmacy Grade / 99%
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Medical Grade / -
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Pharmaceutical Grade / -
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- / 99%
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4AA4-acetoxyazetidin-2-one
(76855-69-1)-
![buy (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one](https://acf-file.echemi.com/fileManage/upload/cas/75/cd57bcb6-10a4-456e-aac2-f285f0c275ed.gif "(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one")
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- / 95+%%
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Suppliers of 4AA4-acetoxyazetidin-2-one
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- / 99%
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- / 99%
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- / 99%
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Fmoc-Val-OH,68858-20-8,goods in stock
(68858-20-8)-
Research and Industrial Grade / 98.00%
$1/G EXW
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Research and Industrial Grade / 98.00%
$1/G EXW
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Suppliers of Fmoc-Val-OH,68858-20-8,goods in stock
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Research and Industrial Grade / 98.00%
$1/G EXW
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Research and Industrial Grade / 98.00%
$1/G EXW
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Glycine ethyl ester hydrochloride
(623-33-6)-
Research and Industrial Grade / 98.00%
$1/G EXW
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Pharmaceutical grade / 99%
$50/KG EXW
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Suppliers of Glycine ethyl ester hydrochloride
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Fmoc-L-Aspartic acid beta-tert-butyl e...
(71989-14-5)-
Research and Industrial Grade / 98.00%
$1/G EXW
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Research and Industrial Grade / 98.00%
$1/G EXW
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Suppliers of Fmoc-L-Aspartic acid beta-tert-butyl e...
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