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MedKoo Cat#: 464069 | Name: Magneson
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

Magneson (Azo violet) (4-(4-nitrophenylazo)resorcinol) (or p-nitrobenzeneazoresorcinol) is an azo compound with the chemical formula C12H9N3O4. It is used commercially as a violet dye and experimentally as a pH indicator, appearing yellow below pH 11, and violet above pH 13. It also turns deep blue in the presence of magnesium salt in a slightly alkaline, or basic, environment. Azo violet may also be used to test for the presence of ammonium ions. The color of ammonium chloride or ammonium hydroxide solution will vary depending upon the concentration of azo violet used.

Chemical Structure

Magneson
Magneson
CAS#74-39-5

Theoretical Analysis

MedKoo Cat#: 464069

Name: Magneson

CAS#: 74-39-5

Chemical Formula: C12H9N3O4

Exact Mass: 259.0593

Molecular Weight: 259.22

Elemental Analysis: C, 55.60; H, 3.50; N, 16.21; O, 24.69

Price and Availability

Size Price Availability Quantity
5g USD 250.00 2 Weeks
25g USD 450.00 2 Weeks
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Related CAS #
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Synonym
Magneson; NSC 3914; NSC3914; NSC-3914; 4-(4-Nitrophenyl)azoresorcinol; Nitrobenzeneazoresorcinol; Azo violet;
IUPAC/Chemical Name
(E)-4-((4-nitrophenyl)diazenyl)benzene-1,3-diol
InChi Key
NGPGYVQZGRJHFJ-BUHFOSPRSA-N
InChi Code
InChI=1S/C12H9N3O4/c16-10-5-6-11(12(17)7-10)14-13-8-1-3-9(4-2-8)15(18)19/h1-7,16-17H/b14-13+
SMILES Code
Oc1cc(O)c(/N=N/c2ccc([N+]([O-])=O)cc2)cc1
Appearance
Solid powder
Purity
>90% (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
2934.99.9001
More Info
Product Data
Product Data
Instruction
View handling instruction
Biological target:
Magneson (Azo violet) (4-(4-nitrophenylazo)resorcinol) (or p-nitrobenzeneazoresorcinol) is used commercially as a violet dye and experimentally as a pH indicator, appearing yellow below pH 11, and violet above pH 13.
In vitro activity:
TBD
In vivo activity:
TBD
Solvent mg/mL mM
Solubility
Soluble in DMSO 0.0 100.00
Note: There can be variations in solubility for the same chemical from different vendors or different batches from the same vendor. The following factors can affect the solubility of the same chemical: solvent used for crystallization, residual solvent content, polymorphism, salt versus free form, degree of hydration, solvent temperature. Please use the solubility data as a reference only. Warming and sonication will facilitate dissolving. Still have questions? Please contact our Technical Support scientists.

Preparing Stock Solutions

The following data is based on the product molecular weight 259.22 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:
TBD
In vitro protocol:
TBD
In vivo protocol:
TBD
1: Namazi H, Jafarirad S. In vitro photo-controlled drug release system based on amphiphilic linear-dendritic diblock copolymers; self-assembly behavior and application as nanocarrier. J Pharm Pharm Sci. 2011;14(2):162-80. doi: 10.18433/j3zc73. PMID: 21733407. 2: Day K, Shefer G, Shearer A, Yablonka-Reuveni Z. The depletion of skeletal muscle satellite cells with age is concomitant with reduced capacity of single progenitors to produce reserve progeny. Dev Biol. 2010 Apr 15;340(2):330-43. doi: 10.1016/j.ydbio.2010.01.006. Epub 2010 Jan 15. PMID: 20079729; PMCID: PMC2854302. 3: Arpa Sahin C, Efeçinar M, Satiroğlu N. Combination of cloud point extraction and flame atomic absorption spectrometry for preconcentration and determination of nickel and manganese ions in water and food samples. J Hazard Mater. 2010 Apr 15;176(1-3):672-7. doi: 10.1016/j.jhazmat.2009.11.084. Epub 2009 Dec 8. PMID: 20004058. 4: Li H, Zhang XS, Zou YQ, Xie YH. [Study on a new method for determining trace amounts of manganese (II) in water by flow-injection catalytic kinetic spectrophotometry]. Guang Pu Xue Yu Guang Pu Fen Xi. 2007 Apr;27(4):785-8. Chinese. PMID: 17608199. 5: Palan PR, Magneson AT, Castillo M, Dunne J, Mikhail MS. Effects of menstrual cycle and oral contraceptive use on serum levels of lipid-soluble antioxidants. Am J Obstet Gynecol. 2006 May;194(5):e35-8. doi: 10.1016/j.ajog.2005.11.032. Epub 2006 Apr 21. PMID: 16647895. 6: Blümel S, Stolz A. Cloning and characterization of the gene coding for the aerobic azoreductase from Pigmentiphaga kullae K24. Appl Microbiol Biotechnol. 2003 Aug;62(2-3):186-90. doi: 10.1007/s00253-003-1316-5. Epub 2003 Apr 26. PMID: 12719939. 7: Schenning AP, Escuder B, van Nunen JL, de Bruin B, Löwik DW, Rowan AE, van der Gaast SJ, Feiters MC, Nolte RJ. Synthesis, aggregation, and binding behavior of synthetic amphiphilic receptors. J Org Chem. 2001 Mar 9;66(5):1538-47. doi: 10.1021/jo000770t. PMID: 11262095. 8: Mital S, Magneson A, Loke KE, Liao J, Forfia PR, Hintze TH. Simvastatin acts synergistically with ACE inhibitors or amlodipine to decrease oxygen consumption in rat hearts. J Cardiovasc Pharmacol. 2000 Aug;36(2):248-54. doi: 10.1097/00005344-200008000-00016. PMID: 10942168. 9: Dybul M, Mercier G, Belson M, Hallahan CW, Liu S, Perry C, Herpin B, Ehler L, Davey RT, Metcalf JA, Mican JM, Seder RA, Fauci AS. CD40 ligand trimer and IL-12 enhance peripheral blood mononuclear cells and CD4+ T cell proliferation and production of IFN-gamma in response to p24 antigen in HIV-infected individuals: potential contribution of anergy to HIV-specific unresponsiveness. J Immunol. 2000 Aug 1;165(3):1685-91. doi: 10.4049/jimmunol.165.3.1685. PMID: 10903780. 10: Christenson RH, Vaidya H, Landt Y, Bauer RS, Green SF, Apple FA, Jacob A, Magneson GR, Nag S, Wu AH, Azzazy HM. Standardization of creatine kinase-MB (CK- MB) mass assays: the use of recombinant CK-MB as a reference material. Clin Chem. 1999 Sep;45(9):1414-23. Erratum in: Clin Chem 1999 Oct;45(10):1885. PMID: 10471643. 11: King C. Automated methods in urinalysis. Clin Lab Sci. 1998 Jan- Feb;11(1):44-6. PMID: 10177213. 12: Müller W, Firsching R. Studies on the presence of magnesium in visceral amyloid. Zentralbl Pathol. 1994 Nov;140(4-5):309-15. PMID: 7826979. 13: Cetnarowski-Cropp AB. Quinapril: a new second-generation ACE inhibitor. DICP. 1991 May;25(5):499-504. doi: 10.1177/106002809102500510. PMID: 2068835. 14: Müller W, Firsching R. Demonstration of elastic fibres with reagents for detection of magnesium. J Anat. 1991 Apr;175:195-202. PMID: 1711022; PMCID: PMC1224479. 15: Magneson GR, Puvathingal JM, Ray WJ Jr. The concentrations of free Mg2+ and free Zn2+ in equine blood plasma. J Biol Chem. 1987 Aug 15;262(23):11140-8. PMID: 2956262.