五月天婷婷社区,99xxxx综合,99视频在线精品自拍,久久天天躁狠狠躁夜夜中文字幕,欧美日韩亚洲区久久综合,se98视频,男人的天堂,成人四虎

Tel:+86-713-8666233 / 8586558
Huanggang Hengxingyuan Chemical Co., Ltd.
Current location:Products
17alpha-Ethynyl-19-nortestosterone 17-heptanoate

Product Name: 17alpha-Ethynyl-19-nortestosterone 17-heptanoate
Molecular Formula: C27H38O3
Molecular Weight: 410.60
CAS#: 3836-23-5
Structural formula:庚酸炔諾酮

ITEM

STANDARD

RESULT

Identification:

Infrared Absorption Spectroscopy,IR

Loss on drying

0.50% MAX

Conform

TMB

0.13% MAX

Conform

melting point

71 - 73 ℃

Conform

HPLC

2.0% MAX

Conform

Assay

99.0% -102.0%

Conform

Residue on ignition

  0.1% MAX

Conform

specific rotation

  –20°~–26°(C=1 Dioxene)

Conform

 

Back
Copyright (C) 2023,Huanggang Hengxingyuan Chemical Co., Ltd. All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice