Trimethoprim(TMP), CAS No.: 738-70-5 CAS NO.738-70-5

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Min.Order Quantity:: 25 Kilogram

Purity:: 99%

Port:: Any port of China

Payment Terms:: L/C,D/P,T/T,MoneyGram

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Keywords

Trimethoprim
TMP
738-70-5

Quick Details

ProName: Trimethoprim(TMP), CAS No.: 738-70-5
CasNo: 738-70-5
Molecular Formula: C14H18N4O3
Appearance: white crystalline powder
Application: An oral broad-spectrum antibacterial d...
DeliveryTime: 3-5 working days after payment done
PackAge: 25kg/drum
Port: Any port of China
ProductionCapacity: 100 Metric Ton/Year
Purity: 99%
Storage: Stored in cool and dry place
Transportation: by sea, air or courier
LimitNum: 25 Kilogram
Related Substances: ≤0.2%
Residue on Ignition: ≤0.1%
Heavy Metal: ≤20ppm
Valid Period: 4 years
Loss on drying: ≤1.0%
Residual DMSO: ≤5000ppm
Residual methanol: ≤3000ppm

Superiority

company name:hefei tnj chemical industry co.,ltd.

registered address:b911 xincheng business center,south of dongliu road, zhengwu district, hefei, anhui,china

register capital：￥12,000,000.00

re-register date：2009.09.03

register number：340108000070345 (1-1)

legal person：huwang xiuran

register bureau：hefei administration for industry and commerce

business type：manufacturing & trading

business terms：private owned

legal check date：2014.04.03

business scope：sales & production of chemical materials; exporting and trading of various chemicals apart from forbidden materials by government ; import and export of chemical technology.

Details

trimethoprim, a kind of white or yellowish white powder, is melting at 199-203 °c. it is a lipotropy weak alkaline ethylamine pyrimidine bacteriostatic agent, called as sulfa-synergist, too. typically, it is ordorless, tastes bitter, sparingly soluble in chloroform, slightly soluble in alcohol or acetate, and easily soluble in glacial acetic acid. but it is almost insoluble in water. solubility in water is less than 0.1 g per 100 ml at 24 ºc.

cas no	738-70-5	cate	pharmaceutical material
product name	5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine
molecular formula	c₁₄h₁₈n₄o₃	molecular weigh	290.32
structural formula
standard	bp98/ep97/bp2000/cp2000 bp2001/bp2002/ep4/usp24/25/26	package	25kg/(drum)
specification	appearance:white or yellowish white powder melting point:199-203 ^oc assay: 98.5%-101.0%(bp);99.0-101.0%(cp) loss on drying: ≤1.0%(bp);≤0.5%(usp,cp) related substances: ≤0.2%
usage	cure pneogaster infection, chronic senile bronchitis, bacillary dysentery, urinary tract infection, pyelon-dphristis, enteritis typhoid, gonorrhea and some specific lesion etc

specification

appearance	white or yellowish-white powder
solubility	very slightly soluble in water, slightly soluble in alcohol
melting point	199-203℃
specific absorbance	max 287nm: 240-250
ir-spectrum	complies with the reference spectrum
chemical reaction	green fluorescence at 365nm
appearance of solution	not more intensely colored than reference solution by7
related substance method a by hplc:
impurity f	≤0.1%
any single impurity	≤0.1%
total impurities	≤0.2%
any single impurity	≤0.1%
total impurities	≤0.2%
heavy metals	≤20ppm
residual methanol	≤3000ppm
residual dmso	≤5000ppm
impurity k(aniline)by gc	≤5ppm
loss on drying	≤1.0%
sulphated ash	≤0.1%
assay	98.5%~101.0%