N-乙酰-L-半胱氨酸CAS: 616-91-1

N-乙酰-L-半胱氨酸

产品详情:

N-乙酰-L-半胱氨酸，N-乙酰半胱氨酸

Products Description

N-Acetyl-L-Cysteine is short for NAC, is a modified form of a dietary amino acid known as L-cysteine. NAC acts as a precursor or in laymans terms, a raw material for the manufacture of the all-important endogenous antioxidant glutathione.

Functions:
1. Anti Aging Agent
2. Help with Exercise Tolerance
3. Treatment of Drug Induced Memory Loss
4. Helps with Kidney Disease and Peritoneal Dialysis
5. Treatment of Drug Overdoses if an overdose of acetaminophen has occurred.

Basic Info

Product Name:

N-Acetyl-L-cysteine

CAS No.:

616-91-1

Molecular Formula:

C5H9NO3S

InChIKeys:InChIKey=PWKSKIMOESPYIA-BYPYZUCNSA-N

Molecular Weight:163.19

Exact Mass:

163.19

BRN:

1724426

EC Number:

210-498-3

UNII:

WYQ7N0BPYC

DSSTox ID:

DTXSID5020021

NCI Thesaurus Code:

C200

Color/Form:Crystals from water|WHITE

ATC Code:R05CB01|R - Respiratory system|S - Sensory organs|V - Various

HScode:

29309016

Categories:

Amino Acids and Derivatives

Characteristics

PSA:

67.4

XLogP3:

0.4

Appearance:

White Solid

Density:

1.3±0.1 g/cm3

Melting Point:

109.5 °C

Boiling Point:

407.7°C at 760 mmHg

Flash Point:

200.4±27.3 °C

Refractive Index:

1.519

Water Solubility:

soluble in water, ethanol, methanol, dimethyl sulfoxide, hot isopropyl alcohol, methyl acetate and ethyl acetate. Insoluble in chloroform and ether.H2O: 100 mg/mL with heating

Storage Conditions:

2-8°C

Vapor Pressure:

1.1X10-5 mm Hg at 25 deg C /Estimated/

Toxicity:

Oral-rat LD50:5050 mg/kg; Oral-Mouse LD50:7888 mg/kg

Flammability

Decomposes smoke in humid air; burning releases toxic nitrogen oxide and sulfur oxide smoke

Specific rotation:

-35.1 ºC (c=2,H2O)

Odor:

SLIGHT ACETIC ODOR

Taste:

CHARACTERISTIC SOUR TASTE

PH:

2 TO 2.75 (1 IN 100 ML)

PKA:

9.52(at 25 °C)

Henrys Law Constant:

Henry's Law constant = 1.7X10-13 atm-cu m/mole at 25 °C /Estimated/

Constants:

9.52 (at 25 °C)|pKa= 3.24 (carboxylic acid moiety)|pKa = 9.52 (SH group)

Collision Cross :

140.9 Å² [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|140.9 Å² [M+Na]+

Experimental :

It is stable in ordinary light, nonhygroscopic (oxidizes in moist air), and stable at temperatures up to 120 °C|Hydroxyl radical reaction rate constant = 5.5X10-11 cu cm/molec-sec at 25 °C /Estimated/

Contact me to get free samples

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.

Product name	Cas No.	Product name	Cas No.
L-Cystine	56-89-3	L-Lysine L-Aspartic Acid	27348-32-9
L-Leucine	61-90-5	L-Lysine L-Glutamic Acid	5408-52-6
L-Tyrosine	60-18-4	Potassium L-Glutamate	19473-49-5
L-Cysteine Hydrochloride Monohydrate	7048-4-6	L-Histidine Monohydrochloride	5934-29-2
L-Cysteine Hydrochloride Anhydrous	52-89-1	L-L-Histidine	71-00-1
N-Acetyl-L-Leucine	1188-21-2	L-Arginine	74-79-3
N-Acetyl-L-Cysteine	616-91-1	L-Arginine Hydrochloride	1119-34-2
N-Acetyl-L-Tyrosine	537-55-3	L-Arginine L-Aspartic Acid	7675-83-4
L-Cysteine Base	52-90-4	L-Arginine L-Glutamic Acid	4320-30-3
L-Asparaginc Monohydrate	5794-13-8	L-High-Purity Valine	72-18-4
L-Asparaginc Anhydrous	70-47-3	Potassium L-Aspartate	14007-45-5
L-Glutamic Acid	56-86-0	Magnesium L-Aspartate	215533-00-9
L-L-Glutamic Acid Hydrochloride	135-15-8	Calcium L-Aspartate	39162-75-9
L-Lysine Base	56-87-1	Sodium L-Aspartate	323194-76-9
L-Lysine 50% Aqueous Solution	56-87-1	Zinc L-Aspartate	36393-20-1
DL-Lysine Base	70-54-2	Manganess L-Aspartate
DL-Lysine 50% Aqueous Solution	70-54-2	L-Glycine Magnesium	1483-68-7
Compound Amino Acid Powder 20%	/	L-Glycine Manganess	14281-77-7
Compound Amino Acid Powder 45%	/	Amino Acid Liquid	/
Compound Amino Acid Powder 80%	/	OEM	/

FAQ

Q: How long is your delivery time?

A: Generally it is 1-2 weeks..

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What's your MOQ ?

A: For the high value product, our MOQ starts from 25kg.

Q: Is there a discount ?

A: Yes, for larger quantity, we always support with better price.

Q: How to confirm the Product Quality before placing orders ?

A: Our products conforms to the internation standard, such as USP, CP, FCC. We can also send you the samples for test. After you confirmed the samples, we will move to the next step for cooperation.

Q: How to start orders or make payments ?

A: You can send our your Purchase order ( if your company has ), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly.

Q: How do you treat quality complaint ?

A: We tested each batch before delivery and only qualified product will be delivery, in case you find any problem about the quality when you received and tested, send email to us, and enclose the photo of the products and 3rd party test reports, We negotiate to resolve these issues, recall or exchange goods, or compensate.

Q: why we choose you ?

A : We ensure ingredient purity, on-time delivery, process efficiency and the technical documents you require.

(1) quality: meet even exceed what you expect.

(2) prices: competitive

(3) service: one stop shop solution, respond soon, delivery fast, share the market information, share the new application of the product.