pharm.sinocurechem

pharm.sinocurechem

2-chloro-4-amino-6,7-dimethoxyquinazoline cas 23680-84-4

2-chloro-4-amino-6,7-dimethoxyquinazoline cas 23680-84-4 Chemical Name:2-Chloro-4-amino-6,7-dimethoxyquinazoline CAS No.: 23680-84-4 Molecular Fomula:C10H10ClN3O2 Molecular weight:239.66 Appearance: off-white solid Purity: 99.5% 2-Chloro-4-amino-6,7-dimethoxyquinazolineTypical Properties   Item Specification Appearance off-white solid Density 1.391 g/cm3 Melting Point 262-278C (dec.) Boiling Point 374C at 760 mmHg Refractive Index:…

dl-2-bromopropionic cas 598-72-1

dl-2-bromopropionic cas 598-72-1 Chemical Name:DL-2-Bromopropionic CAS No.:598-72-1 Molecular Fomula:C3H5BrO2 Molecular weight:152.97 Chemical Structure: Appearance: Colorless or slight yellow clear liquid Purity: 99.0% DL-2-BromopropionicTypical Properties Item Specifications Results Appearance Colorless or slight yellow clear liquid PASS Purity ≥99% 99.31% Moisture ≤2000PPM…

1,3-propanediol cas 504-63-2

1,3-propanediol cas 504-63-2 Chemical Name:1,3-Propanediol CAS No.: 504-63-2 Molecular Fomula:C3H8O2 Molecular weight:76.09 Chemical Structure: Appearance: Colorless Clear Liquid Purity: 95% 1,3-PropanediolTypical Properties EINECS 207-997-3 Appearance Colorless Clear Liquid Purity 99% Min Density 1.052 M.P. -32 ºC B.P. 214 ºC Refractive…

Trimethyl Orthoacetate cas 1445-45-0

Trimethyl Orthoacetate cas 1445-45-0 Production Name: Trimethyl Orthoacetate CasNo.:1445-45-0 MolecularFormula:C5H12O3 MolecularWeight:120.15 Chemical Structure: Appearance:Colorless transparent liquid Purity: 99.6% Trimethyl Orthoacetate Typical Properties Items Specifications Result Appearance Colorless transparent liquid Conforms Purity(GC) 99.0%Min 99.6% Methanol 0.3%Max 0.02% Methylacetate 0.2%Max 0.07% Acetonitrile…

5a-hydroxy laxogenin cas 56786-63-1

5a-hydroxy laxogenin cas 56786-63-1 Chemical Name: 5a-Hydroxy Laxogenin CAS: 56786-63-1 Molecular Fomula:C27H42O5 Molecular weight: 446.619 Chemical Structure: Appearance: White powder Assay: 99%min 5a-Hydroxy Laxogenintypical Properties Appearance White Powder Purity 98% Min Density 1.21±0.1 g/cm3(20 ºC 760 Torr) M.P. 268-270 ºC…

phenylphosphinic acid cas 1779-48-2

phenylphosphinic acid cas 1779-48-2 Product Name: Phenylphosphinic acid CAS No.: 1779-48-2 Molecular formula: C6H7O2P Molecular weight: 142.09 Appearance: White powder or crystal Assay: 99.0% Phenylphosphinic acid Typical Properties Items Specifications Appearance Whitecrystal Purity ≥99.0% Chloride Content ≤200ppm Moisture content ≤0.5…

Methallyl Chloride Cas 563-47-3

Methallyl Chloride Cas 563-47-3 Chemical Name: Methallyl chloride Synonyms: Methallyl chloride; Isobutenyl chloride CAS No.: 563-47-3 Molecular Fomula: C4H7Cl Chemical Structure: Molecular weight: 90.5 Appearance: Corlorless liquid Assay:99% Methallyl chlorideTypical Properties Item Specifications Purity(%): 99.00Min Acid (HCLWT%): 0.01 Max Water…

2-butyl-4-chloro-5-formylimidazole cas 83857-96-9

2-butyl-4-chloro-5-formylimidazole cas 83857-96-9 Product Name: 2-Butyl-4-chloro-5-formylimidazole CAS: 83857-96-9 Formula: C8H11ClN2O Molecular Weight: 186.64 Chemical Structure: Appearance: Little-yellow crystalline powder Assay: 98.0%~101.0% 2-Butyl-4-chloro-5-formylimidazole Typical Properties Test Items Specification Appearance Little – yellow crystalline powder Assay 98.0%~101.0% Content of PAA 1%max Content…

Tosyl isocyanate CAS 4083-64-1

Tosyl isocyanate CAS 4083-64-1 Chemical Name: Tosyl isocyanate CAS No: 4083-64-1 Molecular Formula: C8H7NO3S Molecular Weight: 197.21 Appearance: Colorless Clear Liquid Assay: 98% Tosyl isocyanate Typical Properties Item Specifications Assay ( by HPLC) 98%min( by HPLC) NCO 20.89 Color 20APHAMax PTSC…

n,n’-bis(1-methylpropyl)-1,4-phenylenediamine / antioxidant cas 574-09-4

n,n’-bis(1-methylpropyl)-1,4-phenylenediamine / antioxidant cas 574-09-4 Chemical Name:N,N’-Bis(1-methylpropyl)-1,4-phenylenediamine / Antioxidant 44PD, Antioxidant 4720 CAS No.:574-09-4 MF :C14H24N2 MW :220.35 Appearance :reddish brown liquid Appearance: red to brown liquid without special odor Flash point(℃): >94 M.P.(℃): 14.1 B.P.(℃): 320 Relative density (water=1):…

Croscarmellose Sodium Cas 74811-65-7

Croscarmellose Sodium Cas 74811-65-7 Chemical Name: CROSCARMELLOSE SODIUM CAS No.: 74811-65-7 Molecular weight: 0 Appearance: Off-white to white powder CROSCARMELLOSE SODIUM Typical Properties Item Specifications Description Off-white to white powder PH 5.0-7.0 Settling volume 10-30ml Degree of substitution 0.6-0.85% Sodium…

7-dehydrocholesterol cas 434-16-2

7-dehydrocholesterol cas 434-16-2 Chemical Name: 7-Dehydrocholesterol CAS No.:434-16-2 Molecular Formula:C27H44O Molecular Weight:384.64 MolecularStructure: Appearance:Pale yellow crystalline powder   7-Dehydrocholesterol Typical Properties   Item tested Specification Results Appearance Pale yellow crystalline powder complies Melting point 145-151℃ 147.2-148.1℃ Specific rotation -108°~-120° -113°…

2,5-Dimethoxy Benzaldchyde Cas 93-02-7

2,5-Dimethoxy Benzaldchyde Cas 93-02-7 Product Name:2,5-Dimethoxy benzaldchyde CAS No: 93-02-7 Molecular Formula:C9H10O3 Molecular Weight:166.17 Appearance: Yellowish crystalline powder Assay: ≥99% 2,5-Dimethoxy benzaldchyde Typical Properties Items Standard Result Appearance Yellowish crystalline powder Yellowish crystalline powder Assay ≥99% 99.50% Melting point 48.5~51.5℃…