D-Proline
Molecular Structure:
MDL:
--MFCD00064317
Molecular Formula:
C5H9NO2
Molecular Weight:
115.13
Alias:
D-吡咯烷-2-羧酸
(R)-Pyrrolidine-2-carboxylic acid
D-Pyrrolidine-2-carboxylic acid
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
D-Proline |
99% |
5g |
RMB 184.8 |
Consulting service |
D-Proline |
99% |
100g |
RMB 748 |
Consulting service |
D-Proline |
99% |
25g |
RMB 316.8 |
Consulting service |
Character:
白色細(xì)粉末晶體。水中溶解度 >1000g/L (20°C),不溶于醚。
熔點(diǎn):223°C
比旋光度[α]20D 85 ° (C=4, H2O)
Quality Standard:
外觀Appearance 白色至類白色結(jié)晶粉末
純度Purity 99.0 - 101.0 %
比旋光度Specific rotation [a]20/D +83.0 ~ +87.0 °(C=4, Water)
干燥損失Loss on drying <0.3 % (105°C, 3 hrs)
硫酸鹽灰分Sulfated ash <0.1 %
其它氨基酸Other amino acids <0.5 % (TLC)
L-脯氨酸L-content < 1% (HPLC)
Storage:
用途 用于β-紫羅蘭叉乙醛(β-ionylideneacetaldehyde)、視黃醛(retinal) 和相關(guān)化合物的非對稱自縮合反應(yīng)。
聯(lián)合國編號