Complaint
Product Name: N-Acetyl-L-cysteine
Synonyms: (S)-ALPHA-AMINO-2-NAPHTHALENEPROPIONIC ACID;RARECHEM BK PT 0097;N-ACETYL CYSTEINE;N-ACETYL-3-MERCAPTOALANINE;N-ACETYL-L-(+)-CYSTEINE;N-ACETYL-L-CYSTEINE;N-ALPHA-ACETYL-L-CYSTEINE;AC-L-CYS-OH
CAS: 616-91-1
MF: C5H9NO3S
MW: 163.19
EINECS: 210-498-3
Melting point: 106-108 °C(lit.)
Storage temp.: 2-8°C
Description:
N-acetylcysteine amide is a kind of membrane penetrating antioxidant. It has anti-inflammatory activity through regulating the activation of NF-κB and HIF-1α as well as modulation of ROS. It can penetrate across the membrane, replenishes intracellular and glutathione and GSH to help the cell fight against oxidative stress. For these reasons, it has the potential for the treatment of neurodegeneration (such as Parkinson's disease), radiation exposure and other disorders caused by oxidation. Moreover, it can also attenuate the allergic airway diseases.
Usage:
Paracetamol overdose
Intravenous acetylcysteine is indicated for the treatment of paracetamol (acetaminophen) overdose. When paracetamol is taken in large quantities, a minor metabolite called N-acetyl-p-benzoquinone imine (NAPQI) accumulates within the body. It is normally conjugated by glutathione, but when taken in excess, the body's glutathione reserves are not sufficient to inactivate the toxic NAPQI. This metabolite is then free to react with key hepatic enzymes, therefore damaging hepatocytes. This may lead to severe liver damage and even death by fulminant liver failure.
For this indication, acetylcysteine acts to augment the glutathione reserves in the body and, together with glutathione, directly bind to toxic metabolites. These actions serve to protect hepatocytes in the liver from NAPQI toxicity.
Mucolytic therapy
Inhaled acetylcysteine is indicated for mucolytic (""mucusdissolving"") therapy as an adjuvant in respiratory conditions with excessive and / or thick mucus production. Such conditions include emphysema, bronchitis, tuberculosis, bronchiectasis, amyloidosis, pneumonia, cystic fibrosis, chronic obstructive pulmonary disease, and pulmonary fibrosis. It is also used post-operatively, as a diagnostic aid, and in tracheotomy care. It may be considered ineffective in cystic fibrosis.For this indication, acetylcysteine acts to reduce mucus viscosity by splitting disulfide bonds linking proteins present in the mucus (mucoproteins).
Nephroprotective agent
Oral acetylcysteine is used for the prevention of radiocontrastinduced nephropathy (a form of acute renal failure). Some studies show that prior administration of acetylcysteine markedly decreases radiocontrast nephropathy, whereas others appear to cast doubt on its efficacy.
Treatment of cyclo phosphamide - induced hemorrhagic cystitis
Acetylcysteine has been used for cyclophosphamide-induced hemorrhagic cystitis, although mesna is generally preferred due to the ability of acetylcysteine to diminish the effectiveness of cyclophosphamide.
Microbiological use
Acetylcysteine can be used in Petroff's method i.e. liquefaction and decontamination of sputum, in preparation for diagnosis of tuberculosis.
Interstitial lung disease
Acetylcysteine is used in the treatment of interstitial lung disease to prevent disease progression.
Psychiatry
Acetylcysteine has been shown to reduce the symptoms of both schizophrenia and bipolar disorder in two placebo controlled trials conducted at Melbourne University. It is thought to act via modulation of NMDA glutamate receptors or by increasing glutathione.
Poly cystic ovary syndrome
In a small prospective trial comparing acetylcysteine to metformin (which is the standard drug treatment for PCOS), both treatments resulted in a significant decrease in body mass index, hirsutism score, fasting in sulin, HOMA index, free testo sterone and menstrual irregularity compared with baseline values, and both treatments had equal efficacy.
1. Rich experience: Our company is a professional production leading factory in China in pharmaceutical area of many years.
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Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect.
Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other areas in the world. We have established close and stable cooperative relationships with over 200 domestic pharmaceutical and chemical enterprises. With high quality and favorable price, we′ re pleased to get your inquiry and we will reply you as soon as possible.
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Hubei Yuanmeng Biological Technology Co., Ltd.
Room 3820, Building 2, Vanke Golden City, Hongshan District, Wuhan, Hubei, China
Fiona Wei
