4-hydroxy carbazole,
Appearance: off-white or pale gray crystalline powder,
Assay:99.0% up,
Cas no.52602-39-8,
Sales Manager: Su Xuecheng(Mr.)
Tel: 0086 24 24207102
Fax: 0086 24 24820106
Email:market(at)chengtaichem(dot)com
25kg/drum
Product: 4-hydroxy carbazole Cas no:52602-39-8 Spec:99% Usage:intermediate of carvedilol Place of origin: China. 25kgs fiber drum.
Appearance: white to off-white crystalline powder, Assay: 99.0% up, Cas no.51997-51-4, Sales Manager: Su Xuecheng(Mr.) Tel: 0086 24 24207102 Fax: 0086 24 24820106 Email:market(at)chengtaichem(dot)com 25kg/drum
UV-284 RAW MATERIAL FOR ATTITUDE WHITENING FACE WASH - PERSONAL CARE PRODUCT BP-4 Benzophenone-4 Specifications: Items Specification Appearance Off-white or light yellow crystalline Specific extinction E285:460min UV absorbance E325:290min Content 99.0% min PH value 1.2-2.2 Melting point 140â?? min Loss on drying 3.0% max Turbidity in water 4.0 EBC max Heavy metals 5ppm max Gardner color 2.0 max
Carvedilol, White crystalline powder, Assay: 99.0% up, Cas no.72956-09-3, Sales Manager: Su Xuecheng(Mr.) Tel: 0086 24 24207102 Fax: 0086 24 24820106 Email:market(at)chengtaichem(dot)com 25kgs/drum Packing as the need of customer
Supplier: Carvedilol and intermediates, 4-hydroxy carbazole, 4-(2, 3-epoxypropaneoxy)carbazole, 2-(2-methoxyphenoxy)ethylamine hcl, mafenide acetate, sulfadiazine silver
Product name (S)-3-Hydroxy-gamma-butyrolactone CAS No. 7331-52-4 MF C4H6O3 Brand Name Tianao MOQ 1KG Appearance liquid Purity 99%
S3Hydroxygammabutyrolactone Product Name S3Hydroxygammabutyrolactone CAS 7331524 MF C4H6O3 MW 10209 EINECS 4349904 MOL File 7331524mol Chemical Properties Boiling point 98100 C03 mm Hglit Density 1241 gmL at 25 Clit refractive index n20D 1464lit Flash point 230 F storage temp Inert atmosphere28C pka 1287020Predicted optical activity 21D 81 c 2 in ethanol Water Solubility Miscible with water alcohol and other organic solvent Immiscible with light petroleum BRN 1280864 CAS DataBase Reference 7331524CAS DataBase Reference
Supplier: Carvedilol, ondansetron, ondansetron, hcl, naftopidil, ferulic acid, carvedilol intermediates: 1, 2, 3, 9-tetrahydro-4h-carbazole-4-one, 4-hydroxy carbazole, 4-(2, 3-epoxyporpanoxy)-carbazole, 2-(2-methoxy phenoxy)ethylamine
Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements
