Mebhydrolin napadisylate|Intermediate of vecuronium bromide|Alpha ketoglutaric acid|Fludarabine phosphate|Menantine hydrochloride|L(+)-Tartaric acid|(S)-2-(2-Oxopyrrolidin-1-yl)butanamide acid|VECURONIUM BROMIDE|4-Nitrobenzyl acetoacetate--Ji'an City Tonghai Pharmaceutical Company Limited.

Medical APIs

Mebhydrolin napadisylate

Menantine hydrochloride

Ketanserin

Alpha ketoglutaric acid

Pranoprofen

Otilonium bromide

Levetiracetam

3-(A-acetonylbenzyl)-4-hydroxycoumarin

Dantrolene sodium

Alibendol

VECURONIUM BROMIDE

ROCURONIUM BROMIDE

PIPECURONIUM BROMIDE

FLUDARABINE PHOSPHATE

Medicine intermediates

Hexamethylphosphoramide

1-Bromo-3,5-dimethyladamantane

P-Nitrobenzyl acetoacetate

ROCURONIUM BROMIDE'S INTERMEDIATES

PIPECURONIUM BROMIDE'S INTERMEDIATES

FLUDARABINE PHOSPHATE'S INTERMEDIATES

VECURONIUM BROMIDE'S INTERMEDIATES

Food additives

Phenylpyruvic acid calcium salt

α-Ketoglutaric acid, L-Arginine salt(1 :1 )

α-Ketoglutaric acid, L-Arginine salt(2 :1 )

TOLUENE

METHANOL

ETHYLACETATE

ETHANOL

XYLENE

ACETONE

ISOPROPANOL

2-BUTANONE

TRICHLOROMETHANE

1,3-DIMETHYLADAMANTANE

4-(TRIFLUOROMETHYLTHIO)PHENOL

Levetiracetam

Chemical name: (S)-2-(2-Oxopyrrolidin-1-yl)butanamide
Molecular formula: C₈H₁₄N₂O₂
Molecular weight: 170.21
CAS: 102767-28-2
Structural formula:

Test Items	Results
Characteristic	white or almost white crystalline powder
Identification	IR
PH	5.0~7.0
Melting point	116~120?
Residue on ignition	=0.5%
Loss on drying	=0.5%
Specific optical rotation	-85°~-91°
Relatived substance	Unknow impurity =0.2% Total impurity =1%
Heavy metals	=20ppm
Assay	=99%