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Trimethoprim White Powder CAS 738-70-5 for veterinary use Trimethoprim

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CAS No.:

738-70-5

Grade:

Pharmaceutical Grade

Content:

99%

Port:

shenzhen

Brand:

Packaging:

25kg drum

Price valid (until):

2026-05-01

Contact Supplier

 Chat Now

HNB Biotech

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive

 Visit Store

Product Description
Seller Information
Inquiry History

Description

Product Detail

whasapp：+8615202961574
Email:gary@xahnb.com

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Items	Standard		Test Results

Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard.		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Loss on drying %	≤2.0		0.19
Heavy metals ppm	≤10		<10
Moisture %	≤1.0		0.1
Sulphated ash %	≤0.5 determined on 1.0 g.		0.009
Residue on ignition %	≤0.1		0.03
Related Substances %	Unspecified impurities: for each impurity	≤0.10	<0.10
Related Substances %	Total Impurity	≤0.5	0.18
Purity %	≥99.0		99.7
Assay %	99.0 ~101.0 (anhydrous substance).		99.8
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies

Xian Harmonious Natural Bio- Technology Co., Ltd was founded in 2017, and located in Xlan International Logistics Industrial Zone, Xran City. ShaanxtProvince, China. Now it is the leading researcher and one of the biggest manufacturer in high technology APl area.

There are 8 experts in our research team. We insistin innovation and produce high quality products. And GMP standard workshop and complete stainlessextraction equipment.

We have 2 sales deparments over 20 people and sellour products allover the word. We also have strong professional research and developmentteamtalented personnel and completely equipped laboratoy for the quality controlling. Various Detection Device is equipped in HNB company, such as HPLCGC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on
HNB mainly engaged in export of products incuding,wthoutlimitation., pharmaceutical raw materials both for vet and human, also Vitamins, Amino Acidsminerals, peptides, plant extract, feed and food additives. Our company's business is based on Honest, Trustwortly, Constanty to Go Beyond andAchieve Mutual Win. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.
Passion to innovate, Power to deliver !

Delivery:
In about 3 working days after the receipt of payment, we will follow up the delivery until you receive it.
Express way as the following is:
(Shipping : TNT, Fedex, DHL,USP,EMS and so on)

(By air,by sea,by rail...)

Packaging:
Drum & plastic bags, Aluminum foiled bag, Zip lock bags
Our Company:
Our company advantage:
1.Small order is acceptable
2.Can provide sample for you
3.Have self-export rights

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Q1 Can i get some samples
A1 Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2 How to start orders or make payments
A2 Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,or Paypal or Escrow(Alibaba).
Q3 How to confirm the Product Quality before placing orders
A3 You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4 What's your MOQ
A4 Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5 How about delivery leadtime
A5 Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6 Is there a discount
A6 Different quantity has different discount.
Q7 How do you treat quality complaint
A7 First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q8 How to contact us
A8 You can chat with us by Trademanager,MSN&Skype Online.
You can choose your interested products and send inquiry to us.
You can dial our telephone directly or send Email to us., you will get our reply.

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Certificates

Basic Info

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:

Bulk Drug Intermediates

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 Å² [M+H]+ [CCS Type: TW, Method: Major Mix IMS/Tof Calibration Kit (Waters)]|171.2 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|172.89 Å² [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).

See More Trimethoprim Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed
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 Storage

Precautions 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.

See More Trimethoprim Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive

Location:
6 floor Baoyilongji Building B Weiyang Area, Fengcheng 8 Road, Xi'an city, Shaanxi, 710000, China

Payment Terms:
L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2017

Certifications:
ISO,ISO

Xi'an Harmonious Natural Bio-Technology Co., Ltd. was founded in 2010, and located in Xian

International Logistics Industrial Zone, Xi'an City, Shaanxi Province, China. Now it is the

leading researcher and one of the biggest manufacturer in high technology API area.

There are 8 experts in our research team. We insist in innovation and produce high quality

products. And GMP standard workshop and complete stainless extraction equipment.

We have 2 sales departments over 20 people and sell our products all over the world.

We also have strong professional research and development team, talented personnel and

completely equipped laboratory for the quality controlling. Various Detection Device is

equipped in HNB company, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto

titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

HNB mainly engaged in export of products including, without limitation, pharmaceutical raw

materials both for vet and human, also Vitamins, Amino Acids, minerals, peptides, plant

extract, feed and food additives.

Our company's business is based on Honest, Trustworthy, Constantly to Go Beyond and

Achieve Mutual Win. Sincerely hope to strengthen exchanges and cooperation with friends

from both home and abroad.

Passion to innovate, Power to deliver !

Inquiry History

17 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
Paraguay	Doxycycline hyclata	150.00 KG	Sep 25, 2025
Paraguay	Chlorhexidine digluconate	400.00 KG	Sep 25, 2025
Paraguay	Tylosin tartrate	100.00 KG	Sep 26, 2025
Paraguay	Copper disodium EDTA	200.00 KG	Sep 26, 2025
Paraguay	Fipronil	800.00 KG	Sep 26, 2025
Paraguay	Dichloromethane	4000.00 KG	Sep 25, 2025
Paraguay	Choline chloride	200.00 KG	Sep 25, 2025
Paraguay	Praziquantel	100.00 KG	Sep 26, 2025
Paraguay	Benzidamine hidrochloride	500.00 KG	Sep 25, 2025
Paraguay	Trichlorfon	200.00 KG	Sep 25, 2025
Paraguay	Azepromacine maleate	10 KG	Sep 25, 2025

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