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HUBEI SGP Group/WUHAN BUYOUR AMINO ACID CO., LTD

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HUBEI SGP Group/WUHAN BUYOUR AMINO ACID CO., LTD
[China]

Address:
Room 1003, Unit 1, Block A, Tongcheng Plaza, No.538 Jianshe Ave., Wuhan, China 430022 Wuhan Hubei 430022 China

Phone:
86-27-85491618

Contact name:
Bruce zhou , Manager

HUBEI SGP Group/WUHAN BUYOUR AMINO ACID CO., LTD

Products

	N-Acetyl-L-Cysteine

Click to enlarge image

Model Number

SGP-B-05

CAS No.:616-91-1
Structural Formula:5H9NO3S

Molecular weight:163.20

Description:White crystals or crystalline powder.

Packing:25KG/Paper drum

CERTIFICATE OF ANALYSIS

Product: N-Acetyl-L-Cysteine CAS NO.:(616-91-1)

Item

Specification(AJI92)

Result

Specific rotation[a]D20

+21.3 to +27.0°

+23°

State of solution

(Transmittance)

Clear and colorless

Not less than 98.0%

99.0%

Chloride(Cl)

≤ 0.04%

≤ 0.04%

Ammonium(NH4)

≤ 0.02%

≤ 0.02%

Sulfate (SO4)

≤ 0.030%

≤ 0.020%

Iron(Fe)

≤ 20ppm

≤ 5ppm

Heavy metals(Pb)

≤ 10ppm

≤ 5ppm

Arsenic(as As2o3)

≤ 1ppm

≤ 1ppm

other amino acids

Chromatographically

Not detectable

Conforms

Loss on drying

Not more than 0.5%

0.2%

Residue on ignition(sulfated)

≤ 0.50%

0.04%

Assay

98.5% to 101.0%

99.9%

PH

2.0 to 2.8

2.3

Melting point

106 to 110??/span>

106 to 110??/span>