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N-Acetyl-L-Cysteine NAC

N-Acetyl-L-Cysteine NAC

  • High Light

    CAS 616-91-1


    cas no 616 91 1


    n-acetyl-l-cysteine amino acid

  • Amino Acids Product Name
    N-Acetyl L-Cysteine
  • Cas No.
  • Molecular Formula
  • Molecular Weight
  • Place of Origin
  • Brand Name
    Premium Ingredient
  • Certification
  • Minimum Order Quantity
  • Packaging Details
  • Delivery Time
  • Payment Terms
    TT against copy of documents、L/C
  • Supply Ability
    Annual Production Capacity: 101MT-500MT

N-Acetyl-L-Cysteine NAC

N-Acetyl L-Cysteine


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.

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:


CAS No.:


Molecular Formula:



Molecular Weight:163.19

Exact Mass:




EC Number:






NCI Thesaurus Code:


Color/Form:Crystals from water|WHITE

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










White Solid


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:


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:


Vapor Pressure:

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


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


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

Specific rotation:

-35.1 ºC (c=2,H2O)






2 TO 2.75 (1 IN 100 ML)


9.52(at 25 °C)

Henrys Law Constant:

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


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

Collision Cross :

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


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

Unopened vials of acetylcysteine sodium solution should be stored at 15-30 deg C. Following exposure to air, solutions should be stored at 2-8 deg C to retard oxidation and should be used within 96 hr.



Amino Acids
Product name Cas No. Product name Cas No.
D-aspartic acid 1783-96-6 DL-Valine 516-06-3
taurine 107-35-7 DL-Leucine 328-39-2
l-lysine base 56-87-1 DL-Threonine 80-68-2
L-Methionine 63-68-3 DL-Methionine 59-51-8
L-Threonine 72-19-5 DL-Alanine 302-72-7
L-Pyroglutamic acid 98-79-3 Glycine 56-40-6
L-Cystine 56-89-3 L-Glutamine 56-85-9
L-Tyrosine 60-18-4 L-Phenylalanine 63-91-2
L-Leucine 61-90-5 L-Proline 147-85-3
L-Isoleucine 73-32-5 L-Histidine Hcl 5934-29-2
L-Valine 72-18-4 L-Histidine 71-00-1
L-Citrulline 372-75-8 L-Tryptophan 73-22-3
L-Arginine 74-79-3 N-Acetyl-L-Tyrosine 537-55-3
L-Arginine monohydrochloride 1119-34-2 N-Acetyl L-Cysteine 616-91-1
L-Glutamic Acid 56-86-0 Creatine Monohydrate 6020-87-7
L-Cysteine Hcl Mono 7048-04-6 Creatine Anhydrous 57-00-1
L-Cysteine Hcl Anhy 52-89-1 L-Aspartic Acid 56-84-8
L-Cysteine 52-90-4 L-Alanine 56-41-7
D-Leucine 328-38-1 L-Theanine 3081-61-6
L-Lysine monohydrochloride 657-27-2 BCAA(Branched Chain Amino Acids)



Packing & Delivery

N-Acetyl-L-Cysteine NAC 0



Our Company

N-Acetyl-L-Cysteine NAC 1

Premium Ingredient Co., Ltd has been producing and distributing amino acids, vitamins, nutrition and food additives for decades, severing for more than 100 clients in the fields of food, beverage, diet supplements, cosmetic, pharmaceutical and animal feeding, exporting to dozens of countries. We supply these products only from the first class Chinese factories with over 10 years producing experiences.


With more than 10 years working experience, Premium Ingredient Co., Ltd offers not only quality products, but also good service, quick response, delivery in time, share up-to-the minute market information, supply one-stop-shop solutions.


We have established a long-term, extensive and deep cooperation with the source to ensure sufficient supplies, stable prices, and rapid shipment. Our 3rd party documents include ISO9001, ISO14001, HACCP, HALAL, KOSHER, GMP, FAMI-QS.


We expect you sending email or coming for negotiation.



Our Factory

N-Acetyl-L-Cysteine NAC 2

N-Acetyl-L-Cysteine NAC 3

N-Acetyl-L-Cysteine NAC 4



Our Research

N-Acetyl-L-Cysteine NAC 5



Our Certifications


N-Acetyl-L-Cysteine NAC 6

AJI97 Quality Standard

N-Acetyl-L-Cysteine NAC 7


USP30 Quality Standard

N-Acetyl-L-Cysteine NAC 8




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.