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Chemical Materials & Products / Chemical Agents /

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Company:
China National Chemical Construction Jiangsu Company

Address:
17 West Beijing Road, Nanjing, Jiangsu, China (Mainland)

Phone:
+86-25-86630167

Levodopa

Features:1) Levodopa (L-Dopa, L-Tyrosine, Larodopa, Dopar)2) CAS no.: 59-92-73) Standard: BP2002, USP 24, EP44) Molecular formula: C9H11NO45) Molecular weight: 197.19Packing:25kg/drumSpecifications:1) Appearance: white or slightly cream crystalline powder, odorless2) Identification: I.R: positive3) Solubility: meets the requirements4) PH: 4.5 ~ 7.05) Color of solution: meets the requirements6) Organic volatile impurity: meets the requirements7) Light absorption: 137 ~ 147o8) Optical rotation (BP2002): -1.27 ~ -1.34o9) Specific rotation (USP24): -160 ~ -167o10) Heavy metals (BP2002): 10ppm max., USP24 20ppm max.11) Related substances (BP2002): meets the requirements12) 3-(3,4,6-Trihydroxyphenyl) alanine (USP24): 0.1% max.13) 3-Methoxytyrosine (USP24): 0.5% max.14) Loss on drying: 1.0% max.15) Residue on ignition: 0.10% max.16) Residual solvent: Ethanol: 1.0% max.17) Assay (on dry basis): 99.0~101.0%

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Other goods of this manufacturer :

Levodopa
	Features:1) Levodopa (L-Dopa, L-Tyrosine, Larodopa, Dopar)2) CAS no.: 59-92-73) Standard: BP2002, USP 24, EP44) Molecular formula: C9H11NO45) Molecular weight: 197.19Packing:25kg/drumSpecifications:1)

Methyldopa
	Features:1) Methyldopa2) CAS no.: 41372-08-13) Standard: USP284) Usage: Antihypertensive drugsPacking:25kg/drumSpecifications:1) Appearance: white or almost white, or almost colorless crystalline powd

Methyldopa
	Features:1) Methyldopa2) CAS no.: 41372-08-13) Standard: USP284) Usage: Antihypertensive drugsPacking:25kg/drumSpecifications:1) Appearance: white or almost white, or almost colorless crystalline powd

Methyldopa
	Features:1) Methyldopa2) CAS no.: 41372-08-13) Standard: USP284) Usage: Antihypertensive drugsPacking:25kg/drumSpecifications:1) Appearance: white or almost white, or almost colorless crystalline powd

Piperacillin Sodium
	Piperacillin Sodium:1) Standard: USP282) CAS No.: 59703-84-33) Molecular formula: C23H26N5NaO7S4) Molecular weight: 539.54Packing:5kg/tin

Piperacillin Sodium
	Piperacillin Sodium:1) Standard: USP282) CAS No.: 59703-84-33) Molecular formula: C23H26N5NaO7S4) Molecular weight: 539.54Packing:5kg/tinAppearance: white to off-white powderIdentification:1) The chro

Pitavastatin Calcium
	Pitavastatin Calcium:1) CAS no.: 147511-69-12) Chemical name: (+)-monocalcium bis {(3R,5S,6E )-7-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolyl]-3,5-dihydroxy-6-heptenoate}3) Molecular formula: C50H46Ca

Pitavastatin Calcium
	Pitavastatin Calcium:1) CAS no.: 147511-69-12) Chemical name: (+)-monocalcium bis {(3R,5S,6E )-7-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolyl]-3,5-dihydroxy-6-heptenoate}3) Molecular formula: C50H46Ca

Praziquantel
	PraziquantelCAS no.: 55268-74-1Standard: USP29Packing:25kg/drumSpecifications:1) Appearance: white crystalline powder2) Identification: positive reaction3) Melting point: 136 ~ 142oC4) Loss on drying:

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