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271802

Sigma-Aldrich

Chlortetracycline hydrochloride

80%

Synonym(s):

7-Chlorotetracycline hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C22H23ClN2O8 · HCl
CAS Number:
64-72-2
Molecular Weight:
515.34
Beilstein:
3858364
EC Number:
200-591-7
MDL number:
MFCD00082440
UNSPSC Code:
12352103

Assay

80%

optical activity

[α]25/D −232°, c = 1 in H2O

mp

210-215 °C (dec.) (lit.)

SMILES string

Cl.CN(C)[C@H]1[C@@H]2CC3C(=C(O)[C@]2(O)C(=O)C(C(N)=O)=C1O)C(=O)c4c(O)ccc(Cl)c4[C@@]3(C)O

InChI

1S/C22H23ClN2O8.ClH/c1-21(32)7-6-8-15(25(2)3)17(28)13(20(24)31)19(30)22(8,33)18(29)11(7)16(27)12-10(26)5-4-9(23)14(12)21;/h4-5,7-8,15,26,28-29,32-33H,6H2,1-3H3,(H2,24,31);1H/t7?,8-,15-,21-,22-;/m0./s1

InChI key

CBHYYLPALVVVEY-LYNLVHCPSA-N

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Other Notes

remainder mainly tetracycline hydrochloride

replaced by

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Certificates of Analysis (COA)

Lot/Batch Number
06705EV
15602DQ
15528BO
14016MA
09421MB

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Changmin Lee et al.
Journal of hazardous materials, 386, 121894-121894 (2020-01-03)
As veterinary antibiotics (VAs) cause adverse effects on nature, anaerobic digestion (AD) of livestock manure has been receiving attention as an exposure route of VAs. This research evaluated the anaerobic degradation and phase distribution of chlortetracycline (CTC) with its epimer
Van-Thuan Nguyen et al.
Biotechnology journal, 11(6), 843-849 (2016-05-26)
The multi-target colorimetric aptasensors can be easily fabricated by using two different aptamer sequences. However, there have been no research reports about improvement or enhancing of colorimetric signals based on the aggregation properties of AuNPs. Herein, we report a simple
Huili Wang et al.
Environmental toxicology, 31(11), 1357-1371 (2016-10-19)
Transcriptome analysis is important for interpreting the functional elements of the genome and revealing the molecular constituents of cells and tissues. Herein, differentially transcribed genes were identified by deep sequencing after zebrafish (Danio rerio) were exposed to β-diketone antibiotics (DKAs);
Jakob Menz et al.
Environmental science & technology, 52(11), 6555-6564 (2018-04-10)
There are growing concerns that antibiotic pollution impacts environmental microbiota and facilitates the propagation of antibiotic resistance. However, the prediction or analytical determination of bioavailable concentrations of antibiotics in soil is still subject to great uncertainty. Biological assays are increasingly
Andreia Teixeira-Castro et al.
Brain : a journal of neurology, 138(Pt 11), 3221-3237 (2015-09-17)
Polyglutamine diseases are a class of dominantly inherited neurodegenerative disorders for which there is no effective treatment. Here we provide evidence that activation of serotonergic signalling is beneficial in animal models of Machado-Joseph disease. We identified citalopram, a selective serotonin

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