Clarithromycin
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Hodoodo CAT#: H329658

CAS#: 81103-11-9

Description: Clarithromycin is an antibiotic used to treat various bacterial infections. This includes strep throat, pneumonia, skin infections, H. pylori infection, and Lyme disease, among others. Clarithromycin was developed in 1980. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. Clarithromycin prevents bacteria by acting as a protein synthesis inhibitor. It binds to 23S rRNA, a component of the 50S subunit of the bacterial ribosome, thus inhibiting the translation of peptides.


Chemical Structure

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Clarithromycin
CAS# 81103-11-9

Theoretical Analysis

Hodoodo Cat#: H329658
Name: Clarithromycin
CAS#: 81103-11-9
Chemical Formula: C38H69NO13
Exact Mass: 747.48
Molecular Weight: 747.964
Elemental Analysis: C, 61.02; H, 9.30; N, 1.87; O, 27.81

Price and Availability

Size Price Availability Quantity
1g USD 285 2 Weeks
5g USD 750 2 Weeks
10g USD 1150 2 Weeks
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Synonym: Clarithromycin; Abbott-56268; A-56268; brand name Biaxin.

IUPAC/Chemical Name: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12,13-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

InChi Key: AGOYDEPGAOXOCK-KCBOHYOISA-N

InChi Code: InChI=1S/C38H69NO13/c1-15-26-38(10,45)31(42)21(4)28(40)19(2)17-37(9,47-14)33(52-35-29(41)25(39(11)12)16-20(3)48-35)22(5)30(23(6)34(44)50-26)51-27-18-36(8,46-13)32(43)24(7)49-27/h19-27,29-33,35,41-43,45H,15-18H2,1-14H3/t19-,20-,21+,22+,23-,24+,25+,26-,27+,29-,30+,31-,32+,33-,35+,36-,37-,38-/m1/s1

SMILES Code: CC[C@@H]1[C@@](C)(O)[C@H](O)[C@@H](C)C([C@H](C)C[C@@](C)(OC)[C@H](O[C@H]2[C@H](O)[C@@H](N(C)C)C[C@@H](C)O2)[C@@H](C)[C@H](O[C@H]3C[C@@](C)(OC)[C@@H](O)[C@H](C)O3)[C@@H](C)C(O1)=O)=O

Appearance: White to off-white crystalline powder.

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2930.90.2900

More Info:

Biological target: Clarithromycin is a macrolide antibiotic and a CYP3A4 inhibitor.
In vitro activity: Moreover, both hERG1 silencing and E4031 reduced the effects of Cla (clarithromycin) on LC3 conversion (Fig. 3a), AVOs (Figs. (Figs. 3b and S3b) and vacuoles (Fig. S3c) formation. These data indicate that Cla exerts its effect on CRC cell autophagy, by modulating hERG1. Reference: Cell Death Dis. 2020 Mar; 11(3): 161. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052256/
In vivo activity: Post-SAH 50 mg/kg CAM (clarithromycin) treatment most effectively improved neurological scores and brain water content at 24 and 48 h and reduced immunoglobulin G extravasation at 24 h compared with vehicle-treated SAH mice (p < 0.01). Western blotting showed that post-SAH BBB disruption was associated with increased expressions of periostin, phosphorylated signal transducer and activator of transcription 1 and 3, matrix metalloproteinase-9, and the consequent degradation of zonula occludens-1, which were suppressed by 50 mg/kg CAM treatment (p < 0.05, respectively, versus vehicle-treated SAH mice). Reference: Neurotherapeutics. 2021 Apr 7. https://pubmed.ncbi.nlm.nih.gov/33829412/

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 13.1 17.53
DMF 1.0 1.34
Ethanol 1.0 1.34
Ethanol:PBS (pH 7.2) (1:1) 0.5 0.67

Preparing Stock Solutions

The following data is based on the product molecular weight 747.96 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol: 1. Petroni G, Bagni G, Iorio J, Duranti C, Lottini T, Stefanini M, Kragol G, Becchetti A, Arcangeli A. Clarithromycin inhibits autophagy in colorectal cancer by regulating the hERG1 potassium channel interaction with PI3K. Cell Death Dis. 2020 Mar 2;11(3):161. doi: 10.1038/s41419-020-2349-8. Erratum in: Cell Death Dis. 2020 Mar 30;11(3):209. Erratum in: Cell Death Dis. 2020 Jul 17;11(7):541. PMID: 32123164; PMCID: PMC7052256. 2. Hara K, Kondo M, Tsuji M, Takeyama K, Tamaoki J. Clarithromycin suppresses IL-13-induced goblet cell metaplasia via the TMEM16A-dependent pathway in guinea pig airway epithelial cells. Respir Investig. 2019 Jan;57(1):79-88. doi: 10.1016/j.resinv.2018.10.001. Epub 2018 Nov 2. PMID: 30393041. 3. Kanamaru H, Kawakita F, Nishikawa H, Nakano F, Asada R, Suzuki H. Clarithromycin Ameliorates Early Brain Injury After Subarachnoid Hemorrhage via Suppressing Periostin-Related Pathways in Mice. Neurotherapeutics. 2021 Apr 7. doi: 10.1007/s13311-021-01050-5. Epub ahead of print. PMID: 33829412. 4. Ezomike NE, Ezomike UO, Osim EE. Effects of Clarithromycin Administration on Gastric Acid Secretion and Cytoprotection in Wistar Rats. Niger J Physiol Sci. 2020 Jun 30;35(1):96-100. PMID: 33084612.
In vitro protocol: 1. Petroni G, Bagni G, Iorio J, Duranti C, Lottini T, Stefanini M, Kragol G, Becchetti A, Arcangeli A. Clarithromycin inhibits autophagy in colorectal cancer by regulating the hERG1 potassium channel interaction with PI3K. Cell Death Dis. 2020 Mar 2;11(3):161. doi: 10.1038/s41419-020-2349-8. Erratum in: Cell Death Dis. 2020 Mar 30;11(3):209. Erratum in: Cell Death Dis. 2020 Jul 17;11(7):541. PMID: 32123164; PMCID: PMC7052256. 2. Hara K, Kondo M, Tsuji M, Takeyama K, Tamaoki J. Clarithromycin suppresses IL-13-induced goblet cell metaplasia via the TMEM16A-dependent pathway in guinea pig airway epithelial cells. Respir Investig. 2019 Jan;57(1):79-88. doi: 10.1016/j.resinv.2018.10.001. Epub 2018 Nov 2. PMID: 30393041.
In vivo protocol: 1. Kanamaru H, Kawakita F, Nishikawa H, Nakano F, Asada R, Suzuki H. Clarithromycin Ameliorates Early Brain Injury After Subarachnoid Hemorrhage via Suppressing Periostin-Related Pathways in Mice. Neurotherapeutics. 2021 Apr 7. doi: 10.1007/s13311-021-01050-5. Epub ahead of print. PMID: 33829412. 2. Ezomike NE, Ezomike UO, Osim EE. Effects of Clarithromycin Administration on Gastric Acid Secretion and Cytoprotection in Wistar Rats. Niger J Physiol Sci. 2020 Jun 30;35(1):96-100. PMID: 33084612.

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