Factory Supply High Quality N-Acetyl-L-Cysteine Ethyl Ester CAS 59587-09-6 Nacet Powder

• Powder: Yes
• Customized: Non-Customized
• Certification: COA
• Model NO.: dgdv
• Suitable for: Adult
• State: Powder
• Purity: >99%
• Shape: Customizable
• Transport Package: Bottle
• Specification: 99.9%
• Trademark: CZY
• Origin: Shaanxi
• Production Capacity: 500000 Pieces

Product Description

Product Name:    N-Acetyl-L-cysteine ethyl ester
Synonyms:    ethyl (2R)-2-acetamido-3-sulfanylpropanoate;Acetylcysteine Impurity H;101242;2-acetamido-3-mercaptopropanoic acid ethyl ester;Ethyl N-acetyl-L-cysteinate;N-Acetyl-L-cysteine ethyl ester;L-Cysteine, N-acetyl-, ethyl ester;N-Acetylcysteine ethylester
CAS:    59587-09-6
MF:    C7H13NO3S
MW:    191.25
EINECS:    000-000-0
Product Categories:    59587-09-6
Melting point     44.1-44.5 °C
Boiling point     337.6±32.0 °C(Predicted)
density     1.138±0.06 g/cm3(Predicted)
storage temp.     2-8°C
solubility     DMF: 30 mg/ml,DMSO: 30 mg/ml,PBS (pH 7.2): 10 mg/ml
form     A crystalline solid
pka    9.17±0.10(Predicted)

Used Part of Plant	Seed		Complies
Identification(TLC)	Positive(+)		Complies
Assay(HPLC)	Glucoraphanin≥1.0%		Complies
Extract Solvent	Ethanol and water		Complies
Sieve Analysis	Not less than 100% pass through 80 mesh		Complies
Residue on Ignition	≤1.0%		0.50%
Loss on Drying	≤3.0%		2.02%
Heavy Metal	<10ppm		Complies
As	<1ppm		Complies
Pb	<1ppm		Complies
Residual Solvent	Eur.Pharm.		Complies
Microbiology
Total Plate Count	<1000cfu/g		360cfu/g
Yeast & Moulds	<100cfu/g		28cfu/g
E.Coli	Negative		Complies
Salmonella	Negative		Complies
Shelf life	2 years when properly

 

Q1: Which kind of payment terms do you accept?
You can pay by T/T ,Western Union or Trade Assurance .

Q2: Can you give me a discount price?
Surely,It depend on your quantity.

Q3: How can I get a sample?Free samples is available,but freight charges will be at your account and the charges will be return
toyou or deduct from your order in the future.

Q4: How to confirm the Product Quality before placing orders?
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.

Q5: How do you treat quality complaint?
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.