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Phenformin HCl

biguanidine drug with anti-diabetic activity CAS# 834-28-6

Phenformin HCl

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Phenformin HCl

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Chemical Properties of Phenformin HCl

Cas No. 834-28-6 SDF Download SDF
PubChem ID 13266 Appearance Powder
Formula C10H16ClN5 M.Wt 241.72
Type of Compound N/A Storage Desiccate at -20°C
Synonyms Phenethylbiguanide hydrochloride
Solubility H2O : 12.5 mg/mL (51.71 mM; Need ultrasonic)
DMSO : < 1 mg/mL (insoluble or slightly soluble)
Ethanol : < 1 mg/mL (insoluble)
DMF : < 1 mg/mL (insoluble)
Chemical Name 1-(diaminomethylidene)-2-(2-phenylethyl)guanidine;hydrochloride
SMILES [H+].[Cl-].NC(N)=NC(N)=NCCc1ccccc1
Standard InChIKey YSUCWSWKRIOILX-UHFFFAOYSA-N
Standard InChI InChI=1S/C10H15N5.ClH/c11-9(12)15-10(13)14-7-6-8-4-2-1-3-5-8;/h1-5H,6-7H2,(H6,11,12,13,14,15);1H
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.

Biological Activity of Phenformin HCl

DescriptionPhenformin (hydrochloride) is a hydrochloride salt of phenformin that is an anti-diabetic drug from the biguanide class, can activate AMPK activity.In Vitro:Phenformin stimulates the phosphorylation and activation of AMPKalpha1 and AMPKalpha2 without altering LKB1 activity[1]. Phenformin increases AMPK activity and phosphorylation in the isolated heart, the increase in AMPK activity is always preceded by and correlated with increased cytosolic [AMP][2]. Phenformin is a 50-fold more potent inhibitor of mitochondrial complex I than metformin. Phenformin robustly induces apoptosis in LKB1 deficient NSCLC cell lines. Phenformin at 2 mM similarly induces AMPK signaling as shown by increased P-AMPK and P-Raptor levels. Phenformin induces higher levels of cellular stress, triggering induction of P-Ser51 eIF2α and its downstream target CHOP, and markers of apoptosis at later times. Phenformin induces a significant increase in survival and therapeutic response in KLluc mice following long-term treatment[3]. Phenformin and AICAR increases AMPK activity in H441 cells in a dose-dependent fashion, stimulating the kinase maximally at 5-10 mm and 2 mm, respectively. Phenformin significantly decreases basal ion transport (measured as short circuit current) across H441 monolayers by approximately 50% compared with that of controls. Phenformin and AICAR significantly reduce amiloride-sensitive transepithelial Na+ transport compared with controls. Phenformin and AICAR suppress amiloride-sensitive Na+ transport across H441 cells via a pathway that includes activation of AMPK and inhibition of both apical Na+ entry through ENaC and basolateral Na+ extrusion via the Na+,K+-ATPase[4]. Phenformin-treated rats reveals a tendency towards a decrease in blood insulin level (radioimmunoassay)[5].In Vivo:Phenformin increases levels of P-eIF2α and its target BiP/Grp78 in normal lung as well as in lung tumors of mice[3].

References:
[1]. Sakamoto K, et al. Activity of LKB1 and AMPK-related kinases in skeletal muscle: effects of contraction, phenformin, and AICAR. Am J Physiol Endocrinol Metab. 2004 Aug;287(2):E310-7. [2]. Zhang L, et al. Metformin and phenformin activate AMP-activated protein kinase in the heart by increasing cytosolic AMP concentration. Am J Physiol Heart Circ Physiol. 2007 Jul;293(1):H457-66. [3]. Moreira AL, et al. Thalidomide exerts its inhibitory action on tumor necrosis factor alpha by enhancing mRNA degradation. J Exp Med. 1993 Jun 1;177(6):1675-80. [4]. Woollhead AM, et al. Phenformin and 5-aminoimidazole-4-carboxamide-1-beta-D-ribofuranoside (AICAR) activation of AMP-activated protein kinase inhibits transepithelial Na+ transport across H441 lung cells. J Physiol. 2005 Aug 1;566(Pt 3):781-92. Epub 2005 [5]. Dilman VM, et al. Inhibition of DMBA-induced carcinogenesis by phenformin in the mammary gland of rats. Arch Geschwulstforsch. 1978;48(1):1-8.

Protocol

Kinase Assay [2]
Total AMPK activity is measured using the method of Dagher et al. AMPK activity is quantified in the resuspended pellet as incorporation of 32P from [γ-32P]ATP (10 GBq/mmol) into a synthetic peptide with the specific target sequence for AMPK, the SAMS peptide. Radioactivity is measured using a liquid scintillation counter. Protein content in the solution containing the resupended (NH4)2SO4 pellet is determined using the Bradford method.

References:
[1]. Sakamoto K, et al. Activity of LKB1 and AMPK-related kinases in skeletal muscle: effects of contraction, phenformin, and AICAR. Am J Physiol Endocrinol Metab. 2004 Aug;287(2):E310-7. [2]. Zhang L, et al. Metformin and phenformin activate AMP-activated protein kinase in the heart by increasing cytosolic AMP concentration. Am J Physiol Heart Circ Physiol. 2007 Jul;293(1):H457-66. [3]. Moreira AL, et al. Thalidomide exerts its inhibitory action on tumor necrosis factor alpha by enhancing mRNA degradation. J Exp Med. 1993 Jun 1;177(6):1675-80. [4]. Woollhead AM, et al. Phenformin and 5-aminoimidazole-4-carboxamide-1-beta-D-ribofuranoside (AICAR) activation of AMP-activated protein kinase inhibits transepithelial Na+ transport across H441 lung cells. J Physiol. 2005 Aug 1;566(Pt 3):781-92. Epub 2005 [5]. Dilman VM, et al. Inhibition of DMBA-induced carcinogenesis by phenformin in the mammary gland of rats. Arch Geschwulstforsch. 1978;48(1):1-8.

Phenformin HCl Dilution Calculator

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Phenformin HCl Molarity Calculator

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Preparing Stock Solutions of Phenformin HCl

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 4.137 mL 20.6851 mL 41.3702 mL 82.7404 mL 103.4255 mL
5 mM 0.8274 mL 4.137 mL 8.274 mL 16.5481 mL 20.6851 mL
10 mM 0.4137 mL 2.0685 mL 4.137 mL 8.274 mL 10.3425 mL
50 mM 0.0827 mL 0.4137 mL 0.8274 mL 1.6548 mL 2.0685 mL
100 mM 0.0414 mL 0.2069 mL 0.4137 mL 0.8274 mL 1.0343 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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Background on Phenformin HCl

Phenformin HCl is a hydrochloride salt of the biguanidine drug phenformin.
Phenformin is the biguanide class that displays anti-diabetic activity.
In 5 patients with diabetes mellitus, phenformin reduced the blood glucose values and glycosuria. In 4 of 5 patients, cholesterol and total lipid levels were dropped. Also, Phenformin had no impact on glucose, nor the insulin levels after intravenous glucose loading.
References:
[1]. Geldermans CA, Terpstra J, Krans HM. The effect of phenformin-HCl on patients with diabetes mellitus, studied under strict balance conditions. Diabetologia, 1975, 11(5): 475-482.

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References on Phenformin HCl

The effect of phenformin-HCl on patients with diabetes mellitus, studied under strict balance conditions.[Pubmed:1181670]

Diabetologia. 1975 Oct;11(5):475-82.

Under strict balance conditions we studied the effect of phenformin in 5 patients with diabetes mellitus. In all cases phenformin lowered the blood glucose values, and all patients showed a reduction of glycosuria. Contrary to other reports body weight increased during phenformin treatment. This was accompanied by positive nitrogen, phosphorus and calcium balances. The weight gain can be explained by the positive caloric balance, mainly caused by the diminished glycosuria. No change in B.M.R. or R.Q. was seen. During phenformin treatment there was a drop in cholesterol and total lipid levels in 4 patients. No conclusions could be drawn about the effect of phenformin on triglycerides, phospholipids and lipoprotein spectra. Phenformin treatment did not affect the disappearance of glucose, nor the insulin levels after intravenous glucose loading. During oral glucose loading phenformin caused a significant fall in blood glucose levels, accompanied by an increased insulin response in one patient. In the other 4 patients phenformin had no effect on either parameter.

Description

Phenformin hydrochloride is an anti-diabetic drug from the biguanide class, can activate AMPK activity.

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