少妇被猛男粗大的猛进出,亚洲 欧美 动漫 少妇 自拍,日韩免费视频,青春草在线视频免费观看

訂購(gòu)電話:4001650900

D-2-Aminobutyric acid

Cas:
2623-91-8
Molecular Structure:
MDL:
MFCD00064414
Molecular Formula:
C4H9NO2; C2H5CH(NH2)CO2H
Molecular Weight:
103.12
Alias:
(R)-(?)-2-Aminobutyric acid H-D-Abu-OH D-Aminobutyric acid amide
Product order:
Name Specifications Packing Price Delivery
D-2-Aminobutyric acid 99% 1g RMB 231 Consulting service
D-2-Aminobutyric acid 99% 5g RMB 869 Consulting service
D-2-Aminobutyric acid 99% 25g RMB 3707 Consulting service
Character:
熔點(diǎn):>300℃
[α]20D : -21.0 ° (C=5, HCl(2+1))  
Quality Standard:
外觀Appearance                          白色結(jié)晶性粉末
紅外光譜鑒別Infrared spectrometry       和對(duì)照匹配
純度Purity                              ≥99.0% (NT)  
比旋光度Specific rotation [a]20/D       -20.° ~ -22.0° (c=2, 6N HCl)  
灼燒殘?jiān)麵gnition residue                ≤0.10%  
Related Products
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號(hào):滬ICP備19037119號(hào)-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實(shí)驗(yàn)儀器耗材分類實(shí)驗(yàn)儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號(hào)