Trimethoprim in Methanol
17 Inquiries
738-70-5
1.2ml
2025-03-29
reference material,reference standards,Reference Standard Materials,ICP & ICP-MS Single/Mix Standards,Analytical standards,Lab reagents
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Trimethoprim
Other Name:2,4-Pyrimidinediamine,5-[(3,4,5-trimethoxyphenyl)methyl]-;Pyrimidine,2,4-diamino-5-(3,4,5-trimethoxybenzyl)-;5-[(3,4,5-Trimethoxyphenyl)methyl]-2,4-pyrimidinediamine;BW 56-72;2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine;Syraprim;Trimethoprim;NIH 204;2,4-Diamino-5-(3′,4′,5′-trimethoxybenzyl)pyrimidine;Trimethioprim;Trimetoprim;Triprim;Trimpex;Trimanyl;Instalac;Trimogal;Wellcoprim;Monotrim;Proloprim;Tiempe;Trimopan;Uretrim;NSC 106568;Infectotrimet
CAS No.:738-70-5
Molecular Formula:C14H18N4O3
InChIKeys:InChIKey=IEDVJHCEMCRBQM-UHFFFAOYSA-N
Molecular Weight:290.31800
Exact Mass:290.32
EC Number:212-006-2
UNII:AN164J8Y0X
NSC Number:757370|752719|106568
UN Number:2811
DSSTox ID:DTXSID3023712
NCI Thesaurus Code:C908
Color/Form:White to cream, crystalline powder
ATC Code:J01EE01|J - Antiinfectives for systemic use
HScode:2933599090
Categories:
Characteristics-
PSA:
105.51000
XLogP3:0.9
Appearance:Trimethoprim is an odorless white powder. Bitter taste. (NTP, 1992)
Density:1.252 g/cm3
Melting Point:199-203 °C
Boiling Point:526ºC at 760 mmHg
Flash Point:271.9ºC
Refractive Index:1.600
Water Solubility:<0.1 g/100 mL at 24 ºC
Storage Conditions:2-8ºC
Toxicity:LD50 orally in mice: 7000 mg/kg (Yamamoto)
Odor:Odorless
Taste:Bitter
PKA:7.12(at 20 °C)
Dissociation Constants:7.12 (at 20 °C)|pKa= 7.12 (conjugate acid)
Collision Cross Section:170.8 Ų [M+H]+ [CCS Type: TW, Method: Major Mix IMS/Tof Calibration Kit (Waters)]|171.2 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|172.89 Ų [M+H]+
Air and Water Reactions:Insoluble in water.
Reactive Group:Amines, Phosphines, and Pyridines
Reactivity Profile:This compound readily forms salts with acids. (NTP, 1992).
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
reference material,reference standards,Reference Standard Materials,ICP & ICP-MS Single/Mix Standards,Analytical standards,Lab reagents
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Location:
Beijing
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Payment Terms:
100% TT in advance
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Average lead Time:
10
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
101-200
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Year of Establishment:
2012
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Certifications:
ISO17034
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Inquiry History17 Inquiries
Country Product Purchase Quantity Date Posted 
India
Trimethoprim
50 KG Dec 16, 2025
India
Trimethoprim
25 KG Sep 13, 2024 
Ecuador
TRIMETOPRIM
25 KG May 29, 2024 
Pakistan
Trimethoprim
300 KG Apr 8, 2024 
Peru
Trimethoprim
2.00 MT Nov 7, 2023
India
Trimethoprim
3000 KG Oct 1, 2023 
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