Pharmaceutical Raw Material D-aspartic Acid Daa Powder CAS1783-96-6

20 Pharmaceutical raw material d-aspartic acid daa powder CAS1783-96-6 Fermented D-Aspartic acid, white crystal powder, has passed the Kosher identification and ISO9001. SHANDONG YANGCHENG produces D-Aspartic acid by fermentation, and test result is not less than 99%( HPLC). It’s reference...
Product description

20 Pharmaceutical raw material d-aspartic acid daa powder CAS1783-96-6

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Fermented  D-Aspartic acid, white crystal powder, has passed the Kosher identification and ISO9001. SHANDONG YANGCHENG produces  D-Aspartic acid by fermentation, and test result is not less than 99%( HPLC). It’s reference standard is AJI92.


Downstream products

D-aspartic acid is intermediate of γ-Butyrolactone (CAS No. 96-48-0) , N-methylpyrrolidin-2-one (CAS No. 872-50-4) , pyrrolidin-2-one(CAS No. 616-45-5) and so on.

Items

Product   name

CAS No.

1

γ-Butyrolactone

96-48-0

2

N-methylpyrrolidin-2-one

872-50-4

3

pyrrolidin-2-one

616-45-5

...

...

...

 

Quick Details

Name

d-aspartic  acid

Structure

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CAS No.

1783-96-6

MW

C4H7NO4

MF

133.1

Standard

AJI92

Assay

99+%

Appearance

White crystal powder

Test Method

HPLC

Usage

pharmaceutical intermediates

Type

Fermentation, amino acids

Packing

bags/drums

Storage

Store at RT

Place of Origin

Shandong, China

Brand Name

Yangcheng

COA

available

Specification sheet

available

Sample

available

ROS

available


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Packaging & Delivery

Packing Item

net weight/KG

plastic bag

1

2

5

-

plastic woven bags

-

-

-

25

Cardboard drum

-

-

-

25

Or according to the requirements of packaging


Delivery Details: in 5 days after confirmation or in 24 hours if the product is in stock;

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Shipment Details:

Item

Shipment Way

Time

Quantity

Express

DHL/EMS(door to door)

4~7 days

Less than 50KG

Air shipment

From airport to airport

1~5 days

50~1000KG

Sea shipment

From seaport to seaport

More than 5 days

More than 1000KG

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Product Description

Synonyms: D-Aspartic acid, d-Aspartic acid (daa), D-Asp, D-aminosuccinic acid, Aspartic acid, (2R)-2-amino butanedioic acid

CAS No.: 1783-96-6

Molecular Formula: C4H7NO4

Molecular Weight: 133.1

Appearance: White free flowing crystal powder, Slightly Soluble in Water, insoluble in ethanol and ether

Usage: Pharmaceutical intermediate

Storage: Store at RT, Place in a cool and dry environment; Sealed storage.


D-Aspartic acid specification

Product   Name

D-Aspartic acid

Inspection   Item

Product   Standard

Assay

≥98.5%

Transmittance

≥98%

Specific   rotation [α]D20

+24.8°~+25.8°

Chloride(CL)

≤0.02%

Loss   on drying

≤0.2%

Residue   on ignition

≤0.1%

Iron(Fe)

≤10ppm

Ammonium(NH4)

≤0.05%


FAQ

Question 1: How to get contact with us?

1)firstly, click the "Contact  us" on our company website to send us message or send email (sophiayue@yangchengshengwu.com)to us;

2) you will get reply in 24 hours(one workday).
Question 2:How can I get a sample?
If the quantity is not more than 100g, free sample is available.

Question 3: How to confirm the Product Quality before placing orders?
1) we can offer the COA and third-part inspection, while you can get free samples of the ordered product.

2) You can also send us your product specifications and requests, we will manufacture the products according to your requests.
Question 4:How do you treat quality complaint?
Our production standards are very strict. If the quality problem really caused by us, we will send you free goods for replacement or refund your loss.
Question 5: Which kind of payment terms do you accept?
1) you can pay by T/T,Western Union, Letter of credit for small order;

2) normal order by T/T or Letter of credit to our company account.

Quality Regarding

1. Systematized Chart Regarding Quality

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Shandong yangcheng Biotech co.,Ltd have ISO9001 certificate, Kosher certificate, which are one part of the strict quality control system that ensures the company's high-quality products. And after-sale service makes nothing to worry about.

 

2. Regular audit

In December 2016,KOSHER certification,passed the second audit

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3. Company development

In February 2017, Shandong development investment group and Qilu equity trading center came to investigate listed enterprise

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Our service

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Pre-Sale Service

1. we accept Inquiry and consulting. 

2. Support Sample testing.

3. Free sample can be provided.

4. View our Factory.


Sale service

Follow up the after-delivery, making sure the goods are well received by the customers


After-Sale Service

1. Any questions can contact us in any time.

2. Product with any problem can be return.


To Meet You at CPHI

We participate in CPHI to meet old clients and build new partnerships.


1. We Participated in CPHI China 2015

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2. We Participated in CPHI Barcelona 2016

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3. We Participated in CPHI India 2016

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4. We Participated CPHI China  2017

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