Customization: | Available |
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Certification: | QS, CCC, RoHS, ISO, CE, Halal |
Shape: | Powder |
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High Purity D-threonine
D-threonine is an important organic chiral source, mainly used in chiral drugs, chiral additives, chiral additives, and other fields, and serves as a chiral source for chiral synthesis in the pharmaceutical industry. As an optically active organic acid, it plays an irreplaceable role in the asymmetric synthesis of certain chiral compounds, mainly used in the production of new broad-spectrum antibiotics, D-threonine, and threonine protectors for peptide synthesis processes.
D-threonine is a chemical substance with the molecular formula C4H9NO3.
English alias: H-D-Thr-OH; (2R,3S)-2-Amino-3-hydroxybutyric acid.
Character: White crystalline or crystalline powder; Easily soluble in water, insoluble in ethanol, ether, and chloroform; Sweet taste.
Physical and chemical properties: melting point 274 ° C specific rotation 28 ° (c=6, water) water soluble
Melting point | 274 °C |
alpha | 28 º (c=6, water) |
Boiling point | 222.38°C (rough estimate) |
Density | 1.3126 (rough estimate) |
Refractive index | 28 ° (C=3, H2O) |
Storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
Solubility | H2O: soluble |
Pka | 2.19±0.10(Predicted) |
Product Name | CAS No. | Product Name | CAS No. |
Lufenuron | 103055-07-8 | Toltrazuril | 69004-03-1 |
Nitenpyram | 120738-89-8 | Praziquantel/Biltricide | 55268-74-1 |
Fenbendazole | 43210-67-9 | Tetramisole Hcl | 5086-74-8 |
Levamisole | 14769-73-4 | Ponazuril | 9004-4-2 |
Diclazuril | 101831-37-2 | Florfenicol | 73231-34-2 |
Albendazole | 54965-21-8 | Mebendazole | 31431-39-7 |
Ivermectin | 70288-86-7 | Enrofloxacin Hcl | 112732-17-9 |
We undertake the customization business of men's health care products, including natural plant materials, customized packaging and labels to enhance sexual capacity. We can also make compound products, such as kidney tonifying capsules and tablets, solid drinks and tablet candies, gummy bears and so on.
As a supplier of plant extracts for 15 years, we can guarantee the quality of products, we can provide different customized services.If you have any requirements, please contact us.
1. Timely online communication and reply within 12 hours;
2. Choose high-quality raw materials;
3.OEM/ODM available;
4. Reasonable and competitive price;
5. Free samples can be provided;
6. Credit guarantee: Made in China third-party trade guarantee;
7. Fast delivery time: Stable inventory of products;Mass production within 7 days;
8. Quality assurance: Internationally authorized third party testing for the products you need.
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We accept International Express--Fedex/DHL/UPS, air shipping and sea shipping
1kg/bag (1kg net weight, 1.2kg gross weight, packed in an aluminum foil bag inside and paper carton outside ) or as per your request.
25kg/drum (25kg net weight,28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside. Drum Size: 510mm high, 350mm diameter) ;
Storage: Storein cool & dry place. Do not freeze. Keep away from strong light and heat.
Shelf life: two years when properly stored.
Shipping method: International express by air, by sea, UPS and EMS service.
Goods weight |
Packing |
Shipping method |
Lead-time |
1-50kg |
Below 5kg Use Foil bag;5-25kg use two layer PP bag,then into master carton or cardboard drum |
International express |
1~3 days after your payment |
100-200kg |
25kg/drum,use two layer PP bag,then into cardboard drum |
Air shipping Sea Shipping |
3~5 days after your payment |
Over 500kg |
25kg/drum,use two layer PP bag,then into cardboard drum |
Sea shipping |
5~10 days after your payment |
Q1: Can I get some free sample?
A: Yes, we offer free sample to client and you only need to pay the fright.