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4-Amino-3,5-dichloropyridine

CAS# 22889-78-7

4-Amino-3,5-dichloropyridine

Catalog No. BCC8679----Order now to get a substantial discount!

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4-Amino-3,5-dichloropyridine: 5mg $17 In Stock
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Quality Control of 4-Amino-3,5-dichloropyridine

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Chemical structure

4-Amino-3,5-dichloropyridine

3D structure

Chemical Properties of 4-Amino-3,5-dichloropyridine

Cas No. 22889-78-7 SDF Download SDF
PubChem ID 89888 Appearance Powder
Formula C5H4Cl2N2 M.Wt 163
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name 3,5-dichloropyridin-4-amine
SMILES C1=C(C(=C(C=N1)Cl)N)Cl
Standard InChIKey ISIQAMHROGZHOV-UHFFFAOYSA-N
Standard InChI InChI=1S/C5H4Cl2N2/c6-3-1-9-2-4(7)5(3)8/h1-2H,(H2,8,9)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

4-Amino-3,5-dichloropyridine Dilution Calculator

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4-Amino-3,5-dichloropyridine Molarity Calculator

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Preparing Stock Solutions of 4-Amino-3,5-dichloropyridine

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 6.135 mL 30.6748 mL 61.3497 mL 122.6994 mL 153.3742 mL
5 mM 1.227 mL 6.135 mL 12.2699 mL 24.5399 mL 30.6748 mL
10 mM 0.6135 mL 3.0675 mL 6.135 mL 12.2699 mL 15.3374 mL
50 mM 0.1227 mL 0.6135 mL 1.227 mL 2.454 mL 3.0675 mL
100 mM 0.0613 mL 0.3067 mL 0.6135 mL 1.227 mL 1.5337 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on 4-Amino-3,5-dichloropyridine

Lack of DNA binding in the rat nasal mucosa and other tissues of the nasal toxicants roflumilast, a phosphodiesterase 4 inhibitor, and a metabolite, 4-amino-3,5-dichloropyridine, in contrast to the nasal carcinogen 2,6-dimethylaniline.[Pubmed:11850974]

Drug Chem Toxicol. 2002 Feb;25(1):93-107.

The phosphodiesterase 4 inhibitor Roflumilast (B9302-107) (RF) and its metabolite 4-Amino-3,5-dichloropyridine (ADCP) produced nasal toxicity in preclinical safety studies with rats. The purpose of this study was to assess the possible formation of DNA adducts, by RF and ADCP, in the nasal mucosa, liver and testes of male rats using the 32P-postlabeling assay. For comparison, rats were exposed to the DNA-reactive carcinogens 2,6-dimethylaniline (DMA), also known as 2,6-xylidine, a nasal carcinogen, and the aromatic amine carcinogens 4,4'-methylene-bis(2-chloroaniline) (MOCA), which yields monocyclic DNA adducts, and 2-acetylaminofluorene (2-AAF). In the case of RF, possible sources of DNA adducts include the parent molecule and its ADCP moiety by enzymatic N-hydroxylation and sulfation, reactions typical of carcinogenic aromatic amines. 4-Acetoxylamino-3,5-dichloropyridine (N-acetoxy-ADCP), a chemically activated derivative of ADCP, was prepared and used to modify DNA which was then used to establish the chromatographic conditions with which to reliably detect whether or not such adducts were formed metabolically from RF and ADCP. Similarly, a standard N-hydroxy-DMA was prepared, but the corresponding N-acetoxy derivative was unstable and decomposed during synthesis. Both N-hydroxy-DMA and N-acetoxy-ADCP were mutagenic in the Salmonella typhimurium Ames assay using strain TA100 without an exogenous bioactivation system, with the former being more potent. N-hydroxy-ADCP was essentially inactive in this assay. For the 32P-postlabeling assay, male Wistar rats were exposed to the test substances and carrier control compounds by intragastric instillation at the selected dose levels for 7 days. Subsequently, the nasal mucosa, liver, and testes of the rats exposed to the test or control compounds were extirpated, the DNA extracted and the samples postlabeled. The patterns of adducts formed with the test compounds were compared to those formed in N-acetoxy-ADCP- and N-hydroxy-DMA-adducted DNA, which were assayed by both nuclease P1 and butanol enhancement methods. Based upon the similarity of results from the two enhancement methods, only the former was used for the in vivo studies. No evidence was obtained for the formation of DNA adducts from RF or its metabolites, specifically ADCP, under the conditions of these assays despite the ability to detect adducts from DNA modified chemically with N-acetoxy-ADCP and DNA adducts from the other compounds in their target organs. In the absence of a pattern of compound-related spots, we conclude that RF does not form DNA adducts having the potential to initiate neoplasia in these three tissues.

Quantitation of N-(3,5-dichloropyrid-4-yl)-3-cyclopentyloxy-4-methoxybenzamide and 4-amino-3,5-dichloropyridine in rat and mouse plasma by LC/MS/MS.[Pubmed:10815728]

J Pharm Biomed Anal. 2000 Jun;22(5):869-77.

The metabolism of N-(3,5-dichloropyrid-4-yl)-3-cyclopentyloxy-4-methoxybenzamide (RP73401), a phosphodiesterase IV (PDE IV) inhibitor is extensive (unpublished); however, until recently, studies for this compound did not report 4-Amino-3,5-dichloropyridine (ADCP) as a metabolite either in vitro or in vivo. This prompted a reinvestigation into the metabolism of RP73401 in rats and mice using mass spectrometry. The results of the reinvestigation confirmed that 4-Amino-3,5-dichloropyridine was formed via the metabolism of RP73401 both in vitro and in vivo. In order to further investigate RP73401 hydrolysis in vivo, a liquid chromatography/mass spectrometry assay was developed and validated for the simultaneous determination of RP73401 and ADCP in rat and mouse plasma. The method used Waters Oasis HLB brand solid phase extraction cartridges to isolate the analytes (RP73401 and ADCP) and internal standard from the plasma. HPLC chromatographic separation was achieved using a Zorbax SB C18 HPLC column and detection was accomplished using positive ion atmospheric pressure chemical ionization tandem mass spectroscopy in multiple reaction monitoring (MRM) mode. The assay was developed and validated over the range of 0.5-100 ng ml(-1) for RP73401 and 5-500 ng ml(-1) for ADCP using 0.050 ml of plasma. The assay proved to be sensitive, accurate, precise and specific for RP73401 and ADCP. Intraday and interday quality control results routinely showed accuracy and precision to be within +/- 20%. This LC/MS/MS method was subsequently employed to investigate the hydrolysis of RP73401 in the rat and mouse, and determine the effects of tri-o-tolyl phosphate (TOTP, a carboxylesterase inhibitor) preadministration on the hydrolysis reaction in the rat.

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