1-1000 Kilograms
$127.00
≥1001 Kilograms
$116.00
D-Proline CAS 344-25-2
1.Competitive price
2.Fast Delivery Within 2 days
3.SGS , BV, GMP,ISO approve
4.Professional factory
D-Proline / D-Pyrrolidine-2-carboxylic acid
1.product: D-Proline/ D-Pyrrolidine-2-carboxylic acid
2.cas:344-25-2
3.mf:C5H9NO2
4.mw:115.13
5.appearance:white or off white powder.
6.melting point:220~223°C
7.useage:used as pharm intermediate.
Item | Standard | Test Results | |
Identification | A.H-NMR:Comply with the structure | Complies | |
B.LC-MS:Comply with the structure | Complies | ||
C.The IR spectrum of sample should be identical with that of reference standard; | Complies | ||
D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. | Complies | ||
Crystallinity | meets the requirements. | Complies | |
Loss on drying | ≤2.0% | 0.19% | |
Heavy metals | ≤10 ppm | <10ppm | |
Water | ≤1.0% | 0.1% | |
Sulphated ash | ≤0.5%, determined on 1.0 g. | 0.009% | |
Related substances | Unspecified impurities: for each impurity | ≤0.10% | <0.10% |
Total Impurity | ≤0.5% | 0.18% | |
Purity | ≥99.0% | 99.7% | |
Assay | 99.0%~101.0% (anhydrous substance). | 99.8% | |
Microbiological Analysis | |||
Total plate count | ≤1000cfu/g | Complies | |
Yeast and Moulds | ≤100cfu/g | Complies | |
E. Coli. | Absent | Negative | |
Salmonella | Absent | Negative | |
S.aureus | Absent | Negative | |
Storage | Preserve in well-closed, light-resistant and airtight containers. | Complies |
Usage: D-Proline is used for synthesis of some chiral compounds and pharmaceutical intermediates.
why choose us:
1. Quality
Our products meet MSDS safe standard and we have ISO and other certificate so yan can get high quality products from our company.
2. Price
We are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
3. Packing
We can do according to the customers' request.
4. Transport
The products can be transported by Courier, by air or by sea.
5. Service
We offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes us able to offer you one-stop service from the order to the products transported to your hand.
Packaging & Delivery:
Packaging Detail: 25kgs/Drum or custom-made
Delivery Detail:prompt shipment
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