Short Description:
Product Name: D-Pyroglutamic acid
CAS No.: 4042-36-8
MF: C5H7NO3
MW:129.11
Product Detail:
| Appearance | White crystals |
| Specific rotation[α]20/D(C=2，H2O) | +10.8º- +12.3º |
| Melting point | 159-161 °C |
| Chloride(C1) | Not more than 0.02% |
| Sulfate(SO4) | Not more than 0.02% |
| Iron(Fe) | Not more than 30ppm |
| Heavy metals(Pb) | Not more than 10ppm |
| Arsenic(As2O3) | Not more than 1ppm |
| Loss on drying | Not more than 0.50% |
| Residue on ignition | Not more than 0.10% |
| Assay | 98.0% to 101.0% |
| Validity period | 3 years |
| Package | 25kg/ drum |
| Storage | Keep in dark place,Sealed in dry,Room Temperature |
| Transportation | by sea or by air or by land |
| Country of Origin | China |
| Payment terms | T/T |
Synonyms：
D-Glutamic Acid Lactam;
D-(+)-Pyroglutamic Acid;
(R)-5-Oxopyrrolidine-2-carboxylic acid;
(R)-(+)-2-Pyrrolidinone-5-Carboxylic Acid;
(2R)-5-oxopyrrolidine-2-carboxylic acid;
D-Pyroglutamic Acid;
(R)-2-Pyrrolidone-5-carboxylic Acid;
5-oxo-D-proline
Application：
Used as other APIs
Superiority：
1. We usually have ton level in stock, and we can delivery the material quickly after we receive the order.
2. High quality & competitive price could be provided.
3.Quality analysis report (COA) of the shipment batch would be provided before the shipment.
4. Supplier questionnaire and technical documents could be provided if request after meeting a certain amount.
5. Great after-sales service or guarantee : Any of your question would be solved as soon as possible.
