 Home > Active Pharmaceutical Ingredients > Drug Metabolism > 2,4-Diaminopyrimidine 3-N-oxide for Sale > Aminexil/DIAMINOPYRIMIDINE OXIDE/ 2, 4-Diamino Pyrimidine-3-Oxide CAS 74638-76-9 China original factory best price Quality Assured

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Aminexil/DIAMINOPYRIMIDINE OXIDE/ 2, 4-Diamino Pyrimidine-3-Oxide CAS 74638-76-9 China original factory best price Quality Assured

Name: Aminexil/DIAMINOPYRIMIDINE OXIDE/ 2, 4-Diamino Pyrimidine-3-Oxide CAS 74638-76-9 China original factory best price Quality Assured
Brand: XAHNB
SKU: pr2609201379
Price: 49 USD
Availability: InStock

ISO FDA COA TDS 4 Inquiries

Unit Price: Get Latest Price 

CAS No.:

74638-76-9

Grade:

Pharma Grade

Content:

99%

Port:

Shanghai

Brand:

XAHNB

Packaging:

100g/bag; 1kg/bag

Sample Available:

Yes

Price valid (until):

2026-10-20

Contact Supplier

 Chat Now

HNB Biotech

Company Type:

Manufactory

Location:

China

Payment Terms:

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

Average Lead Time:

7 days

Qualification:

Main Products:

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

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Product Details
Seller Information
Inquiry History

Description

Aminexil/DIAMINOPYRIMIDINE OXIDE/ 2, 4-Diamino Pyrimidine-3-Oxide CAS 74638-76-9 China original factory best price Quality Assured

Looking forward to having a long-term cooperation with us in China

Welcome to visit our factory ! ! !

Items	Specifications
Product name	Aminexil
COA	Available
More details	Please contact us
Payment	TT; WorldFirst

Get COA & Price, please contact us NOW.

vicky@xahnb.com

008617392948731

Strength Supply
Tyra-300 Dabogratinib	2800223-30-5
Erdafitinib	1346242-81-6
Venetoclax ABT-199	1257044-40-8
LOXO-435 LY3866288	2833703-74-3
Odanacatib (MK-0822)	603139-19-1
Dabrafenib	1195765-45-7
Sipagladenant/kw-6356	858979-50-7
Sunitinib Malate	341031-54-7
Vorinostat cs-1949	149647-78-9
LOXO-292 Selpercatinib	2152628-33-4
Pazopanib hydrochloride	635702-64-6
Tofacitinib Citrate	540737-29-9
Hinokitiol	499-44-5
AZD-0780 Laroprovstat	2455427-91-3
AMG785 Romosozumab	909395-70-6
AP-811	124833-45-0
Salcaprozate sodium / SNAC	203787-91-1
pe-22-28	1801959-12-5
Cibinetide ARA290	1208243-50-8
Slu-pp-332	303760-60-3
Slu-pp-915	2285432-92-8
SANA	42571-07-3
Enclomiphene citrate	7599-79-3
LY2456302	1174130-61-0
Vosoritide acetate	1480724-61-5
KissPeptin-10	374675-21-5
ACE-083	81080-10-6
Monepantel	887148-69-8
Plecanatide	467426-54-6
abaloparatide	247062-33-5
Efmitermant alfa	81080-10-6
AMG131 INT131	315224-26-1
Clascoterone CB-03-01/CB0301/CB 0301	19608-29-8
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SM04554	1360540-81-3
OC000459 /Timapiprant	851723-84-7
RU58841	154992-24-2
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WAY316606	915759-45-4
JXL082	2260696-63-5
Jxl-069 PP405	2260696-63-5
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Piperlongumine piplartine	20069-09-4
Minoxidil	38304-91-5
Ky19382	2226664-93-1
Aminexil、DIAMINOPYRIMIDINE OXIDE/ 2, 4-Diamino Pyrimidine-3-Oxide	74638-76-9
Way262611	1123231-07-1
Chir99021	252917-06-9
S-equol	94105-90-5

SHIPMENT:

Deliver from warehouse within 1-2 after confirming order.

Delivery:(Totally cost about 7-10 days)

Deliver from warehouse within 1-4 after confirming order.

It cost 1-3 days shipping to port city, Shanghai or Guangzhou.

It cost 5-8 days from port city to USA by Fedex.(Not include Chinese holiday)

PACKAGE:

The internal packing is sealed plastic bag with aluminium foil bag outside. the external packing is EMS waterproof bag.
Before-Sale Service:

---Any inquiries will be replied within 12 hours.

---Golden Manufactory under ISO/GMP with large stock.

---Dedication to quality,We have strict quality control system.

---OEM/ODM Available.

---Sample is available for your evaluation & Formulation development.

---Low MOQ: No worry about the big MOQ.

---Fast Delivery: Narmolly grt it within 7-10 days after confirming the order.

---Convenient Payment: Trade Assurance on Alibaba(Visa or Credit card), or TT

After-Sale Service:
---International Authorized Third-Party Test For The Products You Demand.
---60 Days Guarantee of quality of goods.

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!

RFQ

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 choose your interested products and send inquiry to us.

Certificates

Basic Info

Product Name:

2,4-Diaminopyrimidine 3-N-oxide

Other Name:

2,4-Pyrimidinediamine,3-oxide;2,4-Diaminopyrimidine 3-N-oxide;Kopexil;2,6-Diaminopyrimidin-1-ium-1-olate

CAS No.:

74638-76-9

Molecular Formula:

C4H6N4O

InChIKeys:

InChIKey=SGHQFNHCCOBUKB-UHFFFAOYSA-N

Molecular Weight:

126.12

Exact Mass:

126.12

EC Number:

616-121-2

HScode:

2933599090

Categories:

Drug Metabolism

Characteristics

PSA:

85.7

XLogP3:

-1.17

Density:

1.7±0.1 g/cm3

Boiling Point:

475.5±37.0 °C at 760 mmHg

Flash Point:

241.4±26.5 °C

Refractive Index:

1.742

See More 2,4-Diaminopyrimidine 3-N-oxide 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 2,4-Diaminopyrimidine 3-N-oxide 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 days

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2017

Company Certificates
- 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

4 Inquiries

Country	Product	Purchase Quantity	Date Posted
South Korea	Diaminopyrimidine Oxide	1 KG	Oct 28, 2026
Austria	Diaminopyrimidine Oxide 98%	10 KG	Aug 17, 2026
Russia	2, 4-Diaminopyrimidine 3-Oxide Powder	1000 KG	Apr 7, 2026
Sri Lanka	2,4-DIAMINO PYRIMIDINE-3-OXIDE	100 G	Jan 6, 2026

Post an enquiry for this product

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Aminexil/DIAMINOPYRIMIDINE OXIDE/ 2, 4-Diamino Pyrimidine-3-Oxide CAS 74638-76-9 China original factory best price Quality Assured

Product Details

Seller Information