 Home > Biochemical Engineering > Amino Acids and Proteins > 6-Diazo-5-oxo-L-norleucine for Sale > Pharmaceutical Intermediate Local Anesthetic Raw Material USP 99% Purity Crystalline Powder CAS 157-03-96-Diazo-5-Oxo-L-Norleucine

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Pharmaceutical Intermediate Local Anesthetic Raw Material USP 99% Purity Crystalline Powder CAS 157-03-96-Diazo-5-Oxo-L-Norleucine

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CAS No.:

157-03-9

Grade:

Pharmaceutical Grade

Content:

99.9%

Port:

Shanghai

Brand:

Packaging:

25kg/bag

Price valid (until):

2025-10-31

Contact Supplier

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Hebei Shunxing Import and Export Co.,Ltd

Company Type:

Trader

Location:

China

Qualification:

Main Products:

HPMC,Lithium Carbonate,Cellulose Acetate Tow,EVA resin,Terpene Resin,PP fiber

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Product Description
Seller Information
Inquiry History

Description

Product Description

1.For some materials, we could supply free Samples for testing at first..
2.MOQ: 1g or 5g
3.More than 3000 kinds of materials in stock.
4.More than 11+ manufacturing experience.
5.Certification: MSDS,HALAL,COA,IFRA,ISO9001, ISO22000,26 Allergens, etc.
6.Lead time:about 8-12 working days.
8.Verified by Made-in-China as Golden Supplier.
9. We will reply you for your inquiry in 24 hours.
10. Our Q&C team will inspect every product quality strictly before delivery.

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What is CAS 157-03-9 6-DIAZO-5-OXO-L-NORLEUCINE Powder?

Product Name:	6-DIAZO-5-OXO-L-NORLEUCINE
Synonyms:	6-diazo-5-oxo,l-norleucin;6-diazo-5-oxo-l-norleucin;diazo-oxo-norleucine;don(pharmaceutical);6-DIAZO-5-OXO-L-2-AMINOHEXANOIC ACID;6-DIAZO-5-OXO-L-NORLEUCINE;6-DIAZO-5-OXO-NORLEUCINE;L-DON
CAS:	157-03-9
MF:	C6H9N3O3
MW:	171.15
EINECS:	251-228-4
Product Categories:	Antibiotics
Mol File:	157-03-9.mol

Function
6-Diazo-5-oxo-L-norleucine (DON) has been used as an inhibitor of glutamine synthetase-glutamine(amide)-2-oxoglutarate aminotransferase.

Melting point	145 °C
Boiling point	301.12°C (rough estimate)
density	1.3994 (rough estimate)
refractive index	1.5800 (estimate)
storage temp.	-20°C
solubility	DMSO (Slightly, Heated, Sonicated), Water (Slightly)
form	crystalline
color	light yellow
Me rck	13,3026
BRN	1725815
Stability:	Hygroscopic
InChI	InChI=1/C6H9N3O3/c7-5(6(11)12)2-1-4(10)3-9-8/h3,5H,1-2,7H2,(H,11,12)/t5-/s3
InChIKey	YCWQAMGASJSUIP-GQMHJJTINA-N
SMILES	C(C(=O)C=[N+]=[N-])C[C@H](N)C(=O)O \|&1:7,r\|

Q&A

1.How could l get a sample?
Before we received the first order, please afford the sample cost and express fee. We will return the sample cost back to you within your first order.

2.Can you make designs for us?
We have a professional design team to help our customers do design work.Both OEM and ODM orders are accepted.

3.Whether you could make our brand on your products?
Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.

4.How can you provide us high quality products?
We have a professional QC team, every product is shipped after strictly examination.

5.What is your lead time?
7-15days, We will update you eact two-three days!

6.What is your payment?
We accept T/T.L/C to be negotiated.Don't worry about anything, if you have any problems, please feel free to contact us

Basic Info

Product Name:

6-Diazo-5-oxo-L-norleucine

Other Name:

L-Norleucine,6-diazo-5-oxo-;Norleucine,6-diazo-5-oxo-,L-;6-Diazo-5-oxo-L-norleucine;DON;NSC 7365;DON (pharmaceutical);L-DON;L-6-Diazo-5-oxonorleucine;(2S)-2-Amino-6-diazo-5-oxohexanoic acid;543-31-7;15440-70-7;945678-45-5;2180165-45-9

CAS No.:

157-03-9

Molecular Formula:

C6H9N3O3

InChIKeys:

InChIKey=YCWQAMGASJSUIP-YFKPBYRVSA-N

Molecular Weight:

171.15

Exact Mass:

171.06400

UNII:

03J0H273KZ

HScode:

2927000090

Categories:

Amino Acids and Proteins

Characteristics

PSA:

117.78000

Appearance:

light yellow crystalline

Density:

1.3994 (rough estimate)

Melting Point:

145-155 °C (decomp)

Boiling Point:

301.12°C (rough estimate)

Refractive Index:

1.5800 (estimate)

Storage Conditions:

−20°C

See More 6-Diazo-5-oxo-L-norleucine Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 3, Oral

Acute toxicity - Category 3, Dermal

Acute toxicity - Category 3, Inhalation

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H301 Toxic if swallowed H311 Toxic in contact with skin H331 Toxic if inhaled
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P316 Get emergency medical help immediately. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
Storage	P405 Store locked up. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 6-Diazo-5-oxo-L-norleucine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
HPMC,Lithium Carbonate,Cellulose Acetate Tow,EVA resin,Terpene Resin,PP fiber

Location:
Building 4, Feicui Building, No. 366 Xinshi North Road, Qiaoxi District, Shijiazhuang City, Hebei Province

Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2024

Hebei Shunxing Import and Export Co., Ltd. distributes and wholesales best-selling chemical products in the consumer market, enjoying a high position among consumers. The company has established long-term and stable cooperative relationships with multiple retailers and agents. The company was founded in 2012 and has a sales history of over 10 years. There are around 160 employees. Hebei Shunxing Import and Export Co., Ltd. operates a complete range of chemical products at reasonable prices. Our company has strong strength, values credit, abides by contracts, and guarantees product quality. With the characteristics of diversified business and the principle of small profits and quick sales, we have gained the trust of more and more customers. In today's increasingly transparent product prices, our company has won the trust of our customers with its thoughtful service and excellent product quality, and has established a mutually beneficial cooperative relationship with them. The company will continue to make friends from all walks of life in an honest and mutually beneficial manner, warmly welcoming friends from all walks of life。
The company's main products are HPMC, PM, MDEA, LAS60%, Tween (R) 80, EDTA,white oil and so on.Most of them belong to general organic chemicals

Inquiry History

32 Inquiries

Country	Product	Purchase Quantity	Date Posted
Norway	Big discount CAS 157-03-9 L-DON 99.5% white powder MF	10 G	Jun 30, 2023
United Kingdom	6-DIAZO-5-OXO-L-NORLEUCINE	5 G	May 5, 2026
United Kingdom	6-Diazo-5-oxo-L-norleucine	1650 MG	Oct 15, 2024
Colombia	6 Diazo 5 Oxo L Norleucine	300 MG	Jul 18, 2024
Cayman Islands	6-DIAZO-5-OXO-L-NORLEUCINE 97%	3 G	Jul 13, 2024
Czech	6-DIAZO-5-OXO-L-NORLEUCINE	50 G	May 9, 2024
Australia	6-Diazo-5-Oxo-L-Norleucine	10 KG	Jan 19, 2024
United States	6-DIAZO-5-OXO-L-NORLEUCINE	10 G	Jan 5, 2024
United States	Pharmacy Grade C6H9N3O3	250 G	Dec 17, 2023
France	6-DIAZO-5-OXO-L-NORLEUCINE 99% Powder Pharmacy Grade C6H9N3O3 Top Purity Senwayer	1 20' Fcl	Oct 28, 2023
Belgium	L-DON 99% Powder	100 G	Jun 29, 2023
United States	6-Diazo-5-oxo-L-norleucine	1 KG	Sep 1, 2025
Uzbekistan	6-DIAZO-5-OXO-L-NORLEUCINE	1 KG	May 29, 2025
United States	6-DIAZO-5-OXO-L-NORLEUCINE	12 MT	Nov 18, 2024
United States	6-DIAZO-5-OXO-L-NORLEUCINE	2 G	Oct 18, 2024
United States	L-DON, 6-Diazo-5-Oxo-L-Norleucine	2 G	Oct 18, 2024
Australia	6-DIAZO-5-OXO-L-NORLEUCINE 99% Powder Pharmacy Grade C6H9N3O3	25 KG	Sep 19, 2024
Colombia	don（6-diazo-5-oxo-l-norleucine）	500 MG	Sep 19, 2024
United States	6-DIAZO-5-OXO-L-Norleucine	50 G	Sep 13, 2024
Cayman Islands	6-DIAZO-5-OXO-L-NORLEUCINE	3 G	Jul 15, 2024

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Pharmaceutical Intermediate Local Anesthetic Raw Material USP 99% Purity Crystalline Powder CAS 157-03-96-Diazo-5-Oxo-L-Norleucine

Product Description

Seller Information

Inquiry History

Product Description

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

More Choices Find All Products for Sale 

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