White crystals or crystalline powder; slightly sweet taste. Very soluble in water, freely soluble in glacial acetic acid, sparingly soluble in ethanol, practically insoluble in ether.L-Proline has been found as an effective catalyst for the one pot synthesis of polyhydroquinolinederivatives via four component Hantzsch reaction. This method provides several advantages such as beingenvironmentally benign, possessing high yields with increased variations of the substituents in the productand preparative simplicity.
| ITEM | STANDARD |
| Identification | Via IR Absorption |
| Specific Optical rotation | -84.3°~--86.3° |
| Chloride(As Cl) | =<0.05% |
| Sulfate(As SO4) | =<0.03% |
| Assay | 98.5-101.5%% |
| Iron(FE) | =<0.003% |
| Heavy Metals(As Pb) | =<0.0015% |
| Orgaic Volatile Impurities | Meet The Requirements |
| Chromatographic Purity | Any individual impurity not more than 0.5% Total impurity not more than 2.0% |
| Loss on drying | =<0.4% |
| Residue on ignition | =<0.4% |
1, What kinds of certificates can you offer?
Chems is an ISO2008 9001 certified company, as for L-Proline, we can offer HAPPC, KOSHER, HALAL Certificates, ect.
2, Is Chems a manufacturer or just a trading company?
Chems is both manufacturer and trading company, we are L-Proline distributor, at the same time, we are manufacturer of other products.
3, What is the Min Order Quantity of L-Proline?
Different products have different MOQ, for L-Proline, the MOQ is 500kg.
4, What is the price of L-Proline?
Chems is a famous supplier and manufacturer of L-Proline in China, and has been corporate with many L-Proline suppliers for several years, we can provide you with cost-effective L-Proline.
5, How long shall we wait for your reply?
We can guarantee to reply your inquiries of L-Proline in less than 24 hours in working days.
6, What kinds of transportation types can you provide?
Our main transportation methods include air transportation, land transportation and water transportation.
7, What kinds of payment terms can you accept?
The most commonly used payment terms are T/T, L/C, D/P, D/A, etc.
8, How long will I receive my good?
Chems has its own EDC warehouse in Shanghai, when your purchase order has been confirmed, inventory products will deliver within 1 week, other products delivery in 2 weeks.