轮环藤宁

1,4,7,10-Tetraazacyclododecane

￥18750 25KG/纸板桶起订

上海更新日期：2026-10-08

上海腾镭生物科技有限公司

非会员

联系人：李先生

手机：17205749696 拨打

邮箱：29482045@qq.com

产品详情:

中文名称：: 轮环藤宁

英文名称：: 1,4,7,10-Tetraazacyclododecane

CAS号：: 294-90-6

纯度规格：: 99

级别：: 医药级

别名：: Cyclen

I. Basic Information (CAS: 294-90-6)

Chemical Name: Cyclen

Molecular Formula: C₈H₂₀N₄, Molecular Weight: 172.27

Appearance: White/grayish-white crystalline powder

II. Uses and Characteristics

Core Uses

Pharmaceutical Intermediate (Most Core): Key precursor for synthesizing MRI contrast agents (such as gadobenate dimeglumine); used in radiopharmaceuticals, myocardial protection, and stone removal, etc.

Strong coordination ability, forms thermodynamically and kinetically stable metal complexes, reducing the toxicity of free metals

Good water solubility and easy derivatization, suitable for pharmaceutical and functional material development

III. Parameters

Boiling Point: 283.8±8.0 °C (760 mmHg)

Density: ~0.9 g/cm³

pKa: Polyprotonated, pKa₁≈10.7, pKa₂≈9.6, pKa₃≈2.7, pKa₄≈1.8

Storage: 2–8 °C, dry, sealed, protected from light

IV. Quality Standards

Purity: ≥99.0%

Moisture: ≤0.5%

Impurities: None

Heavy Metals (Pb, As, Cd, Hg): ≤10 ppm

Residual Solvents: Complies with ICH Q3C

Microbial Limits: Complies with requirements for pharmaceutical excipients

Appearance: White powder

Melting Point: 110–112 °C

Purity (HPLC): ≥99.0%

Moisture: ≤0.3%

Toluene: ≤890 ppm.

轮环藤宁;Cyclen;

公司简介

成立日期	(3年)
注册资本	500万
员工人数	1-10人
年营业额	￥ 1000万-5000万
经营模式	贸易,工厂,试剂,定制,服务,实验室
主营行业	医药中间体,助剂,溶剂,橡塑助剂