What is bronopol

Bronopol (2-bromo-2-nitropropane-1,3-diol) as an antimicrobial agent in cosmetics, external pharmaceuticals, shampoos and bath products used. In liquid phase inverted pullup method of separation by chromatography with a UV spectrophotometric detection was developed for the determination of bronopol and its degradation products. Degradation of bronopol was observed in an aqueous medium, which allows to irreproducible data. To solve this problem, the HPLC methanol (water content <0.05%) was used for sample preparation. In addition, the parameters of bronopol HPLC analysis were optimized. It has been found that bronopol standards and product samples for at least 1 month were stable at room temperature in methanol, which allows a quantitative and reproducible determination of bronopol.

Imidazolidinyl Urea price

Product Name: imidazolidinyl Urea
CAS: 39236-46-9
Molecular formula: C11H16N8O8
Molecular Weight: 388.22
Product Description: 1. Then in creams and shampoos, liquid, conditioner and other products are used alone, and even neper esters However, IPBC can improve its anti-corrosion effect can be used. pH range of 3 to 9, the general content is 0.2% ~ 0.4%, the maximum addition level of 0.6% in a wide range of temperatures (<90 ℃) add. 2. As a general rule, and the neper or cosmetic casson CG conservative ester with cooperation. Can cream, cream, shampoo, etc., especially suitable for easy prey when alkaline ph copper MAO coli senior nutrition Cosmetics are used green. Usually, the dosage is 0.1% ~ 0.5%.

What is Ossification

Ossification of the posterior longitudinal ligament (OPLL) is most common in men, the elderly and found Asian patients. There are a lot of diseases. With OPLL as Crohn Forestier, ankylosing spondylitis and other spondyloarthritis Several factors have been reported with the development and progression OPLL, including genetic, hormonal, are affected by environmental factors and lifestyle. However, the pathogenesis of OPLL is still uncertain. Most symptomatic patients with OPLL present with neurological deficits such as myelopathy, radiculopathy and / or bowel and bladder symptoms. There are some reports of asymptomatic OPLL. Factors both static and dynamic linked to the development of myelopathy. X-ray, CT and MRI used enlargement of OPLL and evaluate the field of compression of the spinal cord. OPLL management remains controversial. Each surgical technique has advantages and disadvantages, and the choice of operation should be achieved from case to case, depending on the patient's condition, the degree of the disease, the nature of the OPLL and experience of the surgeon. In this article, the authors, the frequency, pathology, pathogenesis, natural history, clinical presentation, classification, radiological assessment and management of OPLL try to check.

Cytarabine Hydrochloride for sale

Product Name: cytarabine hydrochloride
CAS: 69-74-9
Molecular formula: C9H14ClN3O5
Molecular Weight: 279.68
Product Description: This section of the acute leukemia and mainly the gastrointestinal tract cancer, for most solid tumors is invalid. This product is used in the treatment of acute myeloid leukemia is one of the main resistance to the metabolic drug to relieve, to induce the disease, this is the most effective remission rate of only 20% of drug can ~ to 40%, the preferred drugs. This product is particularly effective in acute leukemia cell drenchs debt adult, when combined with other drugs, the effect is much better, especially antibiotics with anthracyclines and anthracene ketone rate complete remission over 50%. This product is used in common even in non-Hodgkin lymphosarcoma, and the treatment of acute lymphoblastic leukemia relapse. In recent years, with new opportunities for sporadic and epidemic viral encephalitis bleeding, healing effect is better. Ocular herpes zoster, herpes zoster conjunctivitis pure also some curative effect.

Chloroquine for sale

Product Name: Chloroquine
CAS: 54-05-7
Molecular formula: C18H26ClN3
Molecular Weight: 319.87
Product Description: This product and other 4 - aminoquinoline antimalarial drugs (such piperaquine, sinensis acetaminophen, etc.) mainly work on parasites in the red period was likely to interfere with the colonization of the parasite replication plan of DNA and transcription or Off they operate during swallowing, so that the body of the insect death because of a lack of amino acids. This product can effectively control the symptoms of malaria attacks. For infrared period without effect, to avoid repetition, but also because of the role is preserved, time to recurrence (p. Falciparum, because there was no time to infrared so it can be healing ). For primary infrared period is invalid, no direct effect on gametophyte is, consequently, can not make the prevention of etiology, can interrupt transmission. At present, there are a number of Plasmodium falciparum found this clinical resistance, reduce the effectiveness of the product, so that in many cases, other combinations of anti-malarial drug or drugs must change. This product is rapidly and completely absorbed after oral and intestinal absorption, only 8% of feces. 1 to 2 hours after the maximum blood drug concentration namely T1 / 2 to 48 hours. May in the fabric are stored internal organs, can red.

Etnynodiol Diacetate

This review of the monograph ethynodiol diacetate (ED) include structural and molecular formulas molecular weight ED physical properties (melting point, optical rotation, and solubility) physical data (synonyms and trade names) and chemical and chemical and manufacture, use, appearance and analysis of ED. ED production is done by reducing ethindrone to ethynodiol which then product with acetic anhydride in pyridine the acetylated ED. ED is of course not known to occur. Applications in human medicine are similar to those of progesterone; It is mainly used in oral contraceptive, in combination with an estrogen and also used dysfunctional uterine bleeding, amenorrhea, and for the treatment of endometriosis; the French have to treat ED to treat advanced breast cancer. Analytical method for determining the ED than bulk chemicals are tabulated. The relevant biological data for the evaluation of carcinogenic risk to humans will be presented shortly. In laboratory experiments, ED has been tested in mice, rats and monkeys alone or in combination with an estrogen. ED product of mammary tumors in male mice castrated male rats. When combined with an estrogen, increases the incidence of pituitary tumors in mice, and malignant breast tumors in rats of both sexes. ED must be reported embryolethal for embryos before and postimiplantation and in some species have teratogenic effects. No human data are available, with the exception of studies on the COC, the side effects which may be attributed ED implicitly. Therefore, there is limited evidence of carcinogenicity of erectile dysfunction in animals and ED may be associated with an increased incidence of benign liver adenoma and decrease the incidence of benign breast disease associated with oral contraceptives with formulations together combined.

Carbetocin

Product Name: Carbetocin
CAS: 37025-55-1
Molecular formula: C45H69N11O12S
Molecular Weight: 88.16
Product Description: Used for selective cesarean epidural or lumbar hemp after surgery to prevent uterine contractions and bleeding postpartum. For emergency section, a classical caesarean another epidural anesthesia or spinal anesthesia in cesarean section or maternal history of heart apparent disease, hypertension, disease known coagulation or liver, kidneys and endocrine diseases (not including gestational diabetes) card when using oxytocin has not been studied, after vaginal delivery does not map to the treatment of oxytocin for the appropriate research, the dose is in the air.