China (Mainland)
- Product Details
Keywords
- L-Threonine
- 72-19-5
- natural products
Quick Details
- ProName: L-Threonine
- CasNo: 72-19-5
- Molecular Formula: C4H9NO3
- Appearance: Light yellow crystal powder
- Application: Used for content determination, identi...
- DeliveryTime: in 3 days after payment
- PackAge: brown vial, standard packing
- Port: shanghai, shenzhen, etc.
- ProductionCapacity: / Gram/Week
- Purity: ≥98%
- Storage: 2-8 ℃, keep container tightly in a dry...
- Transportation: by air, by Courier, Fedex, DHL, EMS co...
- LimitNum: 1 Gram
- Plant of Origin: Egg, garland chrysanthemum, milk, pean...
Superiority
High purity, competitive price, warm service.
Providing HPLC, MS, NMR, COA. In stock!
Sichuan Weikeqi Biological Technology CO., LTD. was established in 2006. We are located in chengdu city, sichuan province, a professional company engaged in researching, developing and selling natural medicine purification separation of traditional Chinese medicine reference standard production.
Our mature technology of purification and separation as follow: series of licorice, ginseng, scurfpea fruit, tripterygium wilfordii, ginkgo, astragalosides, radix scutellariae, radix bupleuri, spaina date seed, rhizoma paridis, fructus schisandrae, radix et rhizoma rhei, danshen root, thinleaf milkwort root-bark, etc.
Details
|
Specification |
|||
|
English Name：L-Threonine Synonym Name：L-2-Amino-3-hydroxybutyric acid; (2S,3R)-2-Amino-3-hydroxybutyric acid |
C A S |
72-19-5 |
|
|
Mol Formula |
C4H9NO3 |
||
|
Mol Weight |
119.12 |
||
|
Appearance |
Light yellow crystal powder |
||
|
Purity |
HPLC≥98% |
||
|
Storage |
2-8°C, keep container tightly in a dry place, out of light |
||
|
Package |
20mg 50mg 100mg 500mg 1g 2g, or customized. |
Melting Point |
255 ºC |
|
Solubility |
Soluble in water on high temperature, insoluble in ethanol, diethyl ether and chloroform. |
||
|
Specific Rotation |
-26.0° -29.0° |
||
|
Botanical Source |
Egg, garland chrysanthemum, milk, peanut, rice, carrot, papaya, alfalfa, etc. |
||
|
Pharmacological Effect |
Important nutrient supplements, relieve tiredness, promote growth and development. |
||
|
Test Condition |
Sample dissolve in formic acid and glacial acetic acid, potentiometric titration with perchloric acid titration droplets, the result of the titration corrected by blank test, calculate the content of L-Threonine by titrant usage. |
||
|
Application |
Used for content determination, identification, pharmacological experiment, activity screening, etc. |
||
|
Company |
Sichuan Weikeqi Biological Technology Co., Ltd. |
||