Piracetam-manufacture,factory,supplier from China

Chinese name PiracetamForeign name PiracetamAlso known as 2-oxo-1-pyrrolidine acetamideChemical formula C6H10N2O2Molecular weight 142.156CAS 7491-74-9EINECS registration number 231-312-7Melting point 151 to 152 °CBoiling point 337.3 °cWater soluble and solubleDensity 1.239 g/cm³Appearance white crystalline powderFlash point 157.8 °cSecurity Description S26; S37/39Hazard symbol XiHazard description R36/37/38sourceThis product is 2-oxo-1-pyrrolidinyl acetamide, calculated as dry product, the C6H10N2O2 content should be 98.0% ~ 102.0%.CharactersThis product is white or off-white crystalline powde

Materialized propertiesDensity:1.52±0.1 g/cm3(Predicted)Boiling point:545.3±50.0 °C(Predicted)PSA：80.65000logP：2.52900Acidity coefficient (PKA):11.15±0.70(Predicted)English alias(S)-Methyl 3-(7-bromo-2-oxo-5-(pyridin-2-yl)-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)propanoate1H-1,4-Benzodiazepine-3-propanoic acid, 7-bromo-2,3-dihydro-2-oxo-5-(2- pyridinyl)-, methyl ester, (3S)-(3S)-(7-BroMo-2-oxo-5-pyridin-2-yl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-propionic acid Methyl esterMethyl 3-[(3S)-7-bromo-2-oxo-5-(2- pyridinyl)-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]propanoateCAS308242-23-1InchiInC

Clonazepam , with the formula C15H10ClN3O3 , is a benzodiazepine tranquilizer. Clinically, it is mainly used for: (1) treatment of epilepsy and convulsions, which are effective for all types of epilepsy, especially for small seizures and myoclonic seizures. Intravenous treatment of status epilepticus. (2) Treatment of anxiety and insomnia. (3) It is also effective for choreas. It also has a certain effect on drug-induced hyperactivity, chronic multiple convulsions, stiff man syndrome, and various types of neuralgia.The effect is similar to diazepam and nitrazepam.

Chemical and physical properties of benzophenone hydrazoneDensity 1.1±0.1 g/cm3Boiling point 328.0±11.0 °C at 760 mmHgmelting point 95-98 °C(lit.)Molecular Formula C13H12N2Molecular weight 196.248Flash point 152.1±19.3 °CExact mass 196.100052PSA 38.38000LogP 2.79Appearance: White crystalline powderVapor pressure 0.0±0.7 mmHg at 25°CThe refractive index is 1.584Storage conditionsProtect from light, cool and dry place, sealed and storedstabilityStable at room temperature and pressure, white crystalline powder.MolecularMolecular property data:1. Molar refractive index: 62.322.

1-(DIMETHYLAMINO)HEXADECANEArmeen DM 16DCETYLDIMETHYLAMINEDIMETHYL HEXADECYLAMINEhexadecyldimethylamineN,N-DIMETHYLCETYLAMINEN,N-DIMETHYLHEXADECYLAMINEN,N-DIMETHYL-N-HEXADECYLAMINEN,N-DIMETHYLPALMITYLAMINEAdma 16bairdcatb16Crodamine 3.A16DDimethyl palmitamineDimethyl-1-hexadecanamineDimethylcetylamineDimethyl-n-hexadecylaminedimethylpalmitylaminegenamin16r302dHexadecylamine, N,N-dimethyl-n,n-dimethyl-1-hexadecanaminCetyl dimethyl tertiary amine is an industrial fungicide.

n-propanol, also known as 1-propanol, is an organic compound with a simple structural formula of CH3CH2CH2OH, a molecular formula of C3H8O, and a molecular weight of 60.10. At room temperature and pressure, n-propanol is a transparent colorless liquid with a strong musty smell similar to external alcohol, soluble in water, ethanol and ether. Generally, propionaldehyde is obtained by the synthesis of ethylene by carbonyl group, and then reduced to obtain.

Chinese Name: Thiopidine trioxide Chinese synonyms: compounds of thiopidine trioxide; sulfur trioxide-pyridine complex; Pyridine sulfur trioxide; Thiopidine trioxide; Thiopidine trioxide complex; Synthesis of thiophorine trioxide; Sulfur trioxide yridine complex; Sulfurtrioxypyridine complex [2]English name: Pyridine sulfur trioxide English synonyms: Pyridine, compd.withsulfurtrioxide (1:1); Salfurtrioxidepyri-dinecomplex; Sulfurtrioxide,compd.withpyridine(1:1); (DIMETHYLAMINOMETHYL) STYRENE; VINYLBENZYLDIMETHYLAMINE; N,N-DIMETHYLVINYLBENZYLAMINE; POLY(4-VINYLPYRIDINE) SULFUR TRIOXID

Rare earth chitosamine chelated saltsRare earth chitosamine integration salts are special compounds that are composed of rare earth elements and chitosamine formed integrators. In chemistry, integration refers to the combination of one or more coordination groups (usually dominated by oxygen and ammonia atoms) with metal ions to form a stable complex.

Method 1Its preparation methods are as follows:2,4-disulfophenol alkali melt hydrolysis method;o-chlorophenol hydrolysis;phenol direct oxidation;phenolic oxidation;O-hydroxycyclohexanone dehydroaromatization.Among them, (1) and (2) the process is complex, the three wastes are polluted, and they are gradually replaced by new processes, while methods (4) and methods (5) are being industrialized abroad.

Chinese aliasBromazepam Impurity A Bromazepam Impurity A(EP) Standard 2-Amino-5-bromophenyl-2-pyridylmethanone 2-(2-amino-5-bromobenzoyl)pyridineEnglish alias2-(5-Bromo-2-aminobenzoyl)pyridine(2-Amino-5-bromophenyl)-2-pyridinylmethanone2-(2-Amino-5-bromobenzoyl)pyridineKetone, 2-amino-5-bromophenyl 2-pyridyl2-Amino-5-bromophenyl-2-pyridylmethanone2-Amino-5-bromophenyl 2-pyridyl ketone(2-amino-5-bromophenyl)-pyridin-2-ylmethanone2-(2-AMINO-5-BROMOBENZOYL)  PYRIDINE4-bromo-2-[(pyridin-2-yl)carbonyl]anilineMethanone, (2-amino-5-bromophenyl)-2-pyridinyl-(2-Amino-5-bromophenyl)(2-pyridinyl)met

Pharmacology and toxicologyThis product is an amide local anesthetic. After blood absorption or intravenous administration, it has obvious excitation and inhibition biphasic effect on the central nervous system, and there can be no precursor excitement, when the blood concentration is low, analgesia and drowsiness, and the pain threshold is increased; With the increase of dose, the effect or toxicity increases, and there is an anticonvulsant effect at the concentration of subtoxic blood drugs; When the blood concentration exceeds 5 mg·mL-1, convulsions can occur.

Trehalose, additionally recognized as fenose and fungose, is a non-reducing disaccharide composed of two glucose molecules with the molecular system C12H22O11 [8].

Magnesium sulfate solution, volumetric laxatives and choleretic agents. It is used for catharsis, choleretic, duodenal drainage and nearby swelling.Ingredients BroadcastThe fundamental thing of this product is magnesium sulfate.It is a sterilized aqueous answer of magnesium sulfate. Magnesium sulfate (MgSO4.7H2O) have to be 95.0%~105.0% of the labeled amount.Molecular formula: MgSO4·7H2OMolecular weight: 246.48Indications BroadcastVolumetric laxatives and choleretics.

English alias(S)-Methyl 3-(7-bromo-2-oxo-5-(pyridin-2-yl)-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)propanoate1H-1,4-Benzodiazepine-3-propanoic acid, 7-bromo-2,3-dihydro-2-oxo-5-(2- pyridinyl)-, methyl ester, (3S)-(3S)-(7-BroMo-2-oxo-5-pyridin-2-yl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-propionic acid Methyl esterMethyl 3-[(3S)-7-bromo-2-oxo-5-(2- pyridinyl)-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]propanoateCAS308242-23-1InchiInChI=1S/C18H16BrN3O3/c1-25-16(23)8-7-15-18(24)22-13-6-5-11(19)10-12(13)17(21-15)14-4-2-3-9-20-14/h2-6,9-10,15H,7-8H2,1H3,(H,22,24)/t15-/m0/s1InChIkeyPITXBYGUVDYTBQ-HNN

Hydrazine hydrate, also known as hydrazine hydrate, is a colorless and transparent oily liquid with a light ammonia smell, smoke in humid air, and is highly alkaline and hygroscopic.

Boiling Point: 143-144 °C35 mm Hg(lit.)Density: 1.568 g/mL at 25 °C(lit.)Refractive index n20/D 1.572(lit.)Flash point > 230 °FSpecific gravity 1.568Sensitivity: Moisture sensitivityBRN4989077CAS DataBase Reference: 86393-34-2use2,4-Dichloro-5-fluorobenzoyl chloride is the main raw material for the preparation of third-generation quinolones such as trifluoroperidinol, trifluoroguabutenyl, pentafluridol and synthetic broad-spectrum antibiotics such as ciprofloxacin, and can also be used for pesticides, insecticides and ovicides, as well as the identification of plastics and resins.synthesisA

Cyclohexanone is an organic compound with the formula C6H10O , a saturated cyclic ketone with carbonyl carbon atoms included in a six-membered ring. Colorless transparent liquid with earthy smell, with mint smell when containing trace amounts of phenol. Impurities are light yellow, which develop color with the formation of impurities during storage time, and are water-white to gray-yellow, with a strong pungent odor. Mixed with air, the explosive pole is the same as open-chain saturated ketone.

Magnesium sulfate solution, volumetric laxatives and choleretic agents. It is used for catharsis, choleretic, duodenal drainage and local swelling.Ingredients BroadcastThe main component of this product is magnesium sulfate.It is a sterilized aqueous solution of magnesium sulfate. Magnesium sulfate (MgSO4.7H2O) should be 95.0%~105.0% of the labeled amount.Molecular formula: MgSO4·7H2OMolecular weight: 246.48Indications BroadcastVolumetric laxatives and choleretics.

Molecular shape dataMolar refractive index: 41.72Molar extent (cm3/mol): 128.4Isotonic unique quantity (90.2K): 338.5Surface tension (dyne/cm): 48.2Polarizability (10-24cm3): 16.54Computational chemical dataHydrophobic parameters calculation reference price (XlogP): 1.7Number of hydrogen bonded donors: 1Number of hydrogen bond receptors: threeNumber of rotatable chemical bonds: 1Number of tautomers:Topological molecular polar floor place (TPSA): 54.4Number of heavy atoms: elevenSurface charge: zeroComplexity:

Chemical propertiesFormaldehyde and resorcinol react under alkaline conditions to form orange-red compounds, which are colorimetric at a maximum absorption wavelength of 460nm to detect low traces of formaldehyde in textile and clothing.Since resorcinol can undergo enol and ketone form tautomerism, it can react with ammonia as follows:Ketone reaction of resorcinolUnder the action of ammonia, m-phenyltriamine is obtained by reaction in ketone, and the amine is hydrolyzed in the aqueous solution of acid to obtain resorcinol.

Basic informationChemical formula: C4H4O4Molecular Weight: 116.072CAS number: 110-17-8EINECS number: 203-743-0Physical and chemical propertiesPhysicalDensity: 1.63g/cm3Melting point: 298-300°CBoiling point: 355.5 °cFlash point: 183 °cRefractive index: 1.526(20°C)Appearance: white powder or colorless crystalsSolubility: soluble in ethanol, barely soluble in water and ether, insoluble in chloroform, carbon tetrachloride, benzeneChemical propertiesThe easiest unsaturated dicarboxylic acid.

Chinese name: citric acidChinese synonyms citric acid / citric acid; Citric anhydride; Citrate, anhydrous; Citric acid standards; Citric acid, ACS grade; Citric acid anhydrous, water-contained; Citric acid, anhydrous, ACS grade; Anhydrous citric acid standardEnglish name CitricacidEnglish synonyms BETZ6251; BETZ0623; BORICACID-POTASSIUMCHLORIDE-SODIUMHYDROXIDEBUFFER; BUFFERCONCENTRATE,PH7.00; BUFFERCONCENTRATE,PH8.00; BUFFERCONCENTRATE,PH9.00; BUFFERCONCENTRATE,PHOSPHATE/SODIUMHYDROXIDE; BUFFERCONCENTRATE,POTASSIUMCHLORIDE/SODIUMHYDROXIDECAS number 77-92-9The molecular formula is C6H8O7Molecul

Heptoic,acidhexacidc-7,Hexacid, C-7n-heptanoic,heptoicacid,Hepthlic, acidEnanthic, AcidOenanthic, acidEnanthylic acidHeptylic acid1-Hexanecarboxylic acidn-Heptoic acidOenanthylic acidEnanthoic acidNSC 2192n-Heptanoic acidn-Heptylic acidProduction methods and usesmethodGC,NMRHeptanaldehyde is carbonylated from 1-hexene with syngas (CO+H2), and then oxidized by air.Heptanaldehyde is prepared by carbonylation of heptene-1 and syngas, and then heptanoic acid is obtained by air oxidation.

Salicylic acid, a sort of natural acid, chemical method C7H6O3, is a white crystalline powder, barely soluble in bloodless water, effortlessly soluble in warm water, ethanol, ether and acetone, soluble in warm benzene, commonly used as medicine, spices, dyes, pesticides, rubber components and different essential uncooked substances of great chemicals.1.