国产美女视频黄a视频免费|2019日韩中文字幕mv|国产91对白在线播放丿|精品影院|午夜少妇拍拍视频在线观看

Contact Us
Nanjing duly Biotechnology Co., Ltd.
地址:南京市浦口區(qū)創(chuàng)芯匯2棟503
郵編:210031
電話:025 84699415
傳真:025 84699415

Purine

CAS No.: 120-73-0
Item No.: PHA0019
Store at: 2~8°C

CAS No.: 120-73-0

C5H4N4=120.11

Level: puriss

Content: ≥ 98.5% (HPLC)

Melting point: 214 ~ 217 ° C

Physicochemical properties: white to off white or light yellow powder. A fused heterocyclic compound formed by fusing a pyrimidine ring with an imidazole ring. It is easily soluble in water, alcohol and benzene and slightly soluble in ether. It is easy to form an alkali salt when encountering acid, and the aqueous solution is neutral to litmus. Weak alkalinity, sublimation when vacuuming. Purines are stable for both hot bases and dilute acids. It will be oxidized by cold potassium permanganate solution and hot fuming nitric acid

Purpose: biochemical research

Storage: 2 ~ 8 ° C



Copyright ?2021 南京杜萊生物技術(shù)有限公司 版權(quán)所有 Record No:蘇ICP備18062211號(hào)-1