5-((3,4,5-三甲氧基苯基)甲基)-2,4-嘧啶二胺

Name: 5-((3,4,5-三甲氧基苯基)甲基)-2,4-嘧啶二胺
Brand: 济南圣和化工有限公司

CAS 738-70-5C14H18N4O3MW 290.32

5-((3,4,5-三甲氧基苯基)甲基)-2,4-嘧啶二胺，CAS 登记号 738-70-5，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号738-70-5

分子式C14H18N4O3

分子量290.32

熔点390 to 397 °F (NTP, 1992)

LogP0.91

纯度按批次COA提供(不公开发布)

包装按订单/批次确认(不公开发布)

应用领域有机化学品

类别有机化学品

用途与场景

有机化学品

包装与供货

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

供货周期现货/按订单安排

文件与支持

每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。

常见问题

在哪里能查到 5-((3,4,5-三甲氧基苯基)甲基)-2,4-嘧啶二胺的 CAS 号？

本页已列出 5-((3,4,5-三甲氧基苯基)甲基)-2,4-嘧啶二胺的 CAS 号：738-70-5，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

5-((3,4,5-三甲氧基苯基)甲基)-2,4-嘧啶二胺一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine · CAS 738-70-5 · C14H18N4O3. UNII AN164J8Y0X. Melting Point: 390 to 397 °F (NTP, 1992); Melting Point: 199-203 °C; Melting Point: 199 - 203 °C.

Identification

CAS Registry Number	738-70-5
PubChem CID	5578
Molecular formula	C14H18N4O3
IUPAC name	5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine
UNII (FDA)	AN164J8Y0X

Computed Descriptors

Molecular Weight	290.32
XLogP3	0.9
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	5
Exact Mass	290.13789045
Monoisotopic Mass	290.13789045
Topological Polar Surface Area	106
Heavy Atom Count	21
Formal Charge	0

Physical & Chemical Properties

Melting Point	390 to 397 °F (NTP, 1992)
Melting Point	199-203 °C
Melting Point	199 - 203 °C
Solubility	400
Solubility	In water, 400 mg/l @ 25 °C
Solubility	6.15e-01 g/L
LogP	0.91
LogP	log Kow = 0.91
LogP	0.6
LogP	0.92

Physical description & handling notes

Trimethoprim is an odorless white powder. Bitter taste. (NTP, 1992)
Solid
White to cream, crystalline powder
Odorless
Bitter
less than 1 mg/mL at 75 °F (NTP, 1992)

Regulatory Status

GHS notification summary	7.9% (11 / 140)

GHS Hazard Classification

GHS notification summary	7.9% (11 / 140)
Reported hazard statements	H302 (85%), H361 (30.7%), H372 (26.4%), H411 (26.4%), H301, H360, H362, H373

This chemical does not meet GHS hazard criteria for 7.9% (11 of 140) of reports.

H302 (85%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

Has a broad spectrum of antimicrobial activity and extends the spectrum of sulfamethoxazole to include many urinary and systemic pathogens untreatable by this sulfa drug alone.
Use (kg) in Switzerland (2009): >250
Use (kg; approx.) in Germany (2009): ?7500
Use (kg; exact) in Germany (2009): 7475
Use (kg) in France (2004): 3346
Consumption (g per capita) in Switzerland (2009): 0.032

Synonyms

trimethoprim; 738-70-5; Proloprim; Trimpex; 2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine; Trimetoprim; Monotrim; Trimopan; Wellcoprim; Syraprim; Monoprim; Uretrim; Trimethoprime; Trimethoprimum; 5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine; Trimetoprima

Frequently Asked Questions

What are the CAS number and molecular formula of 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine?

CAS 738-70-5; molecular formula C14H18N4O3; molecular weight — g/mol.

What other names is 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine known by?

trimethoprim, 738-70-5, Proloprim, Trimpex, 2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine, Trimetoprim.

Is 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine classified as hazardous?

7.9% of GHS notifications report no hazard classification (11 of 140).

What are the key physical properties of 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine?

Melting Point: 390 to 397 °F (NTP, 1992); Melting Point: 199-203 °C; Melting Point: 199 - 203 °C; Solubility: 400.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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