Mainly engaged in the development and production of new pharmaceutical intermediates

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  • China Wholesale 3-NITROPTHALONITRILE –  Ninhydrin hydrate – Princechem

    China Wholesale 3-NITROPTHALONITRILE – Ninhydrin hydrate – Princechem

    1.Cas No: 32-70-2 2.Molecular formula:C24H22ClN5O2 3.Chemical Structure 4.Melting point : 250 °C (dec.)(lit.) 5.Boiling point: 230.35°C (rough estimate) 6.Density:0.862 7.Refractive index: 1.4209 (estimate) 8.Storage conditions: Store in a cool, dry place. Application: Used as reagent for determination of protein, amino acid and peptone and chromatographic analysis reagent We are Princechem Pharmaceutical manufacturer pass 20 years experience.  Types of chemical reactions in a...
  • 13-ethyl-17-hydroxy-19-dinor–alpha-pregn-4-en-20-yn-3-on(+)-1 Suppliers –  Levonorgestrel – Princechem

    13-ethyl-17-hydroxy-19-dinor–alpha-pregn-4-en-20-yn-3-on(+)-1 Suppliers – Levonorgestrel – Princechem

    1. CAS NO : 797-63-7 2. Molecular formula:C21H28O2. 3.Chemical Structure 4. Melting point: 206°C. 5. Boiling point: 392.36°C (rough estimate) 6. Density: 1.0697 (rough estimate) Description: Levonorgestrel is a known compound, and its chemical name is (-13-ethyl-17-hydroxy-18,19-bis-demethyl-17) αGesterol-4-ene-20-alkyne-3-one, English name :levonorgestrel. Levonorgestrel is a quick acting, short-term oral contraceptive. The contraceptive mechanism is to significantly inhibit ovulation...
  • China Wholesale 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one 4(3H)-Quinazolinone,6-hydroxy-7-Methoxy- Pricelist –  5-Formyl-2,4-dimethyl-1H-pyrrole-3-carboxylic acid – Princechem

    China Wholesale 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one 4(3H)-Quinazolinone,6-hydroxy-7-Methoxy- Pricelist – 5-Formyl-2,4-dimethyl-1H-pyrrole-3-carboxylic acid – Princechem

    1.Cas No: 253870-02-9 2.Molecular formula:C8H9NO3 3.Chemical Structure 4.Melting point : 283°C(lit.) 5.Boiling point: 374.9±42.0 °C(Predicted) 6.Density: 1.342±0.06 g/cm3(Predicted) Application: Mainly used for pharmaceutical intermediates. We are Princechem Pharmaceutical manufacturer pass 20 years experience.  Types of chemical reactions in are etherification, ammoniation, chlorination, esterification, cyclization, hydrogenation and Grignard reaction, etc..Over the past 10 year...
  • 4-ANDROSTEN-[2,3-D]ISOXAZOLE-17-ALPHA-ETHYNYL-17-BETA-OL –  Fudosteine – Princechem

    4-ANDROSTEN-[2,3-D]ISOXAZOLE-17-ALPHA-ETHYNYL-17-BETA-OL – Fudosteine – Princechem

    1.Cas No: 13189-98-5. 2.Molecular formula: C6H13NO3S> 3.Chemical Structure 4. Melting point : 200-202°C (dec.) 5. Boiling point: 354.5±42.0 °C(Predicted) 6. Density: 1.301±0.06 g/cm3(Predicted) 7. Storage conditions:-20°C Freezer Introduce: Fudosteine, chemically known as (-) – (R) – 2-amino-3 – (3-hydroxypropylthio) propionic acid, is a kind of expectorant cysteine derivatives. It has multiple pharmacological effects on chronic respiratory diseases, such as inh...
  • China Wholesale 18-Crown-6 1,4,7,10,13,16-HEXAOXACYCLOOCTADECANE Manufacturers –  3-(Chloromethyl)heptane – Princechem

    China Wholesale 18-Crown-6 1,4,7,10,13,16-HEXAOXACYCLOOCTADECANE Manufacturers – 3-(Chloromethyl)heptane – Princechem

    1.Cas No: 123-04-6 2.Molecular formula: C8H17Cl 3.Chemical Structure 4.Melting point : -70 °C 5.Boiling point:166-168 °C 6.Density: 0.882 7.Refractive index:1.432-1.436 Application: 3-(Chloromethyl)Heptane can be used as an extractant for high melting point solid fats and waxes, as a raw material for alkylating agents and surfactants. Category: halogenated hydrocarbons; pharmaceutical raw materials; chemicals; organic building blocks; intermediates; chemical raw materials; organic chemical r...
  • China Wholesale 2-chloro-4-(piperidinomethyl)pyridine Quotes –  (alphaR)-alpha-[[[2-(4-Aminophenyl)ethyl]amino]methyl]benzenemethanol hydrochloride – Princechem

    China Wholesale 2-chloro-4-(piperidinomethyl)pyridine Quotes – (alphaR)-alpha-[[[2-(4-Aminophenyl)ethyl]amino]methyl]benzenemethanol hydrochloride – Princechem

    1.Cas No:521284-22-0 2.Chemical Structure 3.Molecular formula: C16H21ClN2O Application: Mirabelon intermediate. We are Princechem Pharmaceutical manufacturer pass 20 years experience.  Types of chemical reactions in are etherification, ammoniation, chlorination, esterification, cyclization, hydrogenation and Grignard reaction, etc..Over the past 10 years, more than 400 catalog products were developed. In recent years, more than 40 kinds of key pharmaceutical intermediates have bee...
  • Ethyl 4-oxocyclohexanecarboxylate Factory –  Ninhydrin hydrate – Princechem

    Ethyl 4-oxocyclohexanecarboxylate Factory – Ninhydrin hydrate – Princechem

    1.Cas No: 32-70-2 2.Molecular formula:C24H22ClN5O2 3.Chemical Structure 4.Melting point : 250 °C (dec.)(lit.) 5.Boiling point: 230.35°C (rough estimate) 6.Density:0.862 7.Refractive index: 1.4209 (estimate) 8.Storage conditions: Store in a cool, dry place. Application: Used as reagent for determination of protein, amino acid and peptone and chromatographic analysis reagent We are Princechem Pharmaceutical manufacturer pass 20 years experience.  Types of chemical reactions in a...
  • Cyanoacetic acid isooctyl ester Factories –  Ethyl 4-oxocyclohexanecarboxylate – Princechem

    Cyanoacetic acid isooctyl ester Factories – Ethyl 4-oxocyclohexanecarboxylate – Princechem

    1.Cas No: 17159-79-4 2.Molecular formula:C9H14O3 3.Chemical Structure 4.Melting point : 221-226 °C 5.Boiling point: 150-152 °C40 mm Hg(lit.) 6.Density:1.068 g/mL at 25 °C(lit.) 7.Refractive index: n20/D 1.461(lit.) 8.Storage conditions: Store in a cool, dry place. Application:For the study of the catalytic properties of cyclohexanone monooxygenase and its mutants We are Princechem Pharmaceutical manufacturer pass 20 years experience.  Types of chemical reactions in are etheri...
  • China Wholesale HEXAOXACYCLOOCTADECANE Manufacturers –  3-Chloro-1-propanol – Princechem

    China Wholesale HEXAOXACYCLOOCTADECANE Manufacturers – 3-Chloro-1-propanol – Princechem

    1.Cas No: 627-30-5 2.Molecular formula: C3H7ClO 3.Chemical Structure 4.Melting point : -20 °C 5.Boiling point: 160-162 °C(lit.) 6.Density: 1.131 g/mL at 25 °C(lit.) 7.Refractive index:n20/D 1.445(lit.) 8.Storage conditions: 0-6°C Application: 3-Chloro-1-Propanol is an important intermediate in the synthesis of drugs and can be used in the synthesis of a variety of drugs. Category: intermediates; organic building blocks; organic raw materials; general reagents; other oxygenated compound...
  • Super Lowest Price Tetrahydro-2H-pyran-4-yl)methanamine; - Pyrrole-2-carboxaldehyde – Princechem

    Super Lowest Price Tetrahydro-2H-pyran-4-yl)methanamine; - Pyrrole-2-carboxaldehyde – Princechem

    1.Cas No: 1003-29-8 2.Molecular formula:C5H5NO 3.Chemical Structure 4.Melting point :43-46 °C 5.Boiling point: 217-219 °C 6.Density:1.197 7.Refractive index: 1.5939 8.Storage conditions: Store in a cool, dry place. Application:Used as an intermediate for medicine, organic and OLED materials. Category:Pyrrole series; pyrrole derivatives; building blocks; intermediates; pyrroles; pharmaceutical intermediates; pyrrole; pyrrole; Aromatics; reference substances, standard products; organic ...
  • China Wholesale (R)-α-[4-(1,1-Dimethylethyl)phenyl]-4-(hydroxydiphenylmethyl)-1-piperidine-1-butanol Products –  Levonorgestrel – Princechem

    China Wholesale (R)-α-[4-(1,1-Dimethylethyl)phenyl]-4-(hydroxydiphenylmethyl)-1-piperidine-1-butanol Products – Levonorgestrel – Princechem

    1. CAS NO : 797-63-7 2. Molecular formula:C21H28O2. 3.Chemical Structure 4. Melting point: 206°C. 5. Boiling point: 392.36°C (rough estimate) 6. Density: 1.0697 (rough estimate) Description: Levonorgestrel is a known compound, and its chemical name is (-13-ethyl-17-hydroxy-18,19-bis-demethyl-17) αGesterol-4-ene-20-alkyne-3-one, English name :levonorgestrel. Levonorgestrel is a quick acting, short-term oral contraceptive. The contraceptive mechanism is to significantly inhibit ovulation...
  • Octan-2-yl 2-cyanoacetate Pricelist –  5-Nitrobenzene-1,2-dicarbonitrile – Princechem

    Octan-2-yl 2-cyanoacetate Pricelist – 5-Nitrobenzene-1,2-dicarbonitrile – Princechem

    1.Cas No: 31643-49-9 2.Molecular formula:C8H3N3O2 3.Chemical Structure 4.Melting point : 142-144 °C(lit.) 5.Boiling point: 389.9ºC at 760 mmHg 6.Density:1.41 g/cm3 7.Refractive index: 1.602 8.Storage conditions: Store in a cool, dry place. Application:Used as pigments and pharmaceutical intermediate We are Princechem Pharmaceutical manufacturer pass 20 years experience.  Types of chemical reactions in are etherification, ammoniation, chlorination, esterification, cyclization, ...
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