Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price

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Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price
Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price
Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price
Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price
Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price
Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price
Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price

Hot sale & hot cake high quality D-Pyrrolidine-2-carboxylic acid CAS 344-25-2 with reasonable price

  • Item No.99%
    MOQ1 Kilogram
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From $127.00116.00 / Kilogram
$127.00
You save $ -127.00
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Quick Details
MW115.13
Place of Origin CN;SHN
Usage Animal Pharmaceuticals
Brand Name QDXIGEMA
alpha 84.75 (c=4, H2O)
Model Number 99%
pka 1.952(at 25℃)
Color White to yellow to pale brown
density1.36
storage temp. Store at RT.
Water Solubility soluble >1000 g/L (20 C)
FormPowder
Melting point 223 °C (dec.)(lit.)
Refractive Index 85 ° (C=4, H2O)
Grade Standard Feed Grade
Type Vitamins, Amino Acids and Coenzymes
CAS No. 344-25-2
MFC5H9NO2
EINECS No. 206-452-7
Purity99.9%

Packaging & Delivery

Selling Units:
Kilogram

D-Proline  CAS 344-25-2


1.Competitive price
2.Fast Delivery Within 2 days
3.SGS , BV, GMP,ISO approve
4.Professional factory

QQ20190416134021

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.

100%High Quality D-Proline/344-25-2
Appearance :White powder
Packing:25kg/drums
 
 D-Proline (2).png
 
ItemStandardTest 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

Packaging & Shipping

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Our Services

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Company Information
Qingdao Xigema Chemical Co., Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Xigema is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

Xigema has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".Xigema has 21 subsidiaries and holding companies.
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REPUTION.jpg 
FAQ
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
 
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
 
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
 
Q4:Can you give me a discount price?
Surely,It depend on your qty
 
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
 
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
 
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
 

 

 

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