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Company Profile

Selling Leads

Ningbo Guoguang Bio-technoly Co.,Ltd.
[China]

Address:
Number1,xinheng 6 road ,Cicheng private industry Zone A Ningbo Zhejiang 315300 China

Phone:
86-0574-87596588

Contact name:
Jim lee , sales

Ningbo Guoguang Bio-technoly Co.,Ltd.

Products

	L-Cysteine Hcl Anhy

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Model Number

52-89-1

Description:
Molecular Formula: C3H7NO2S.HCl
Molecular Weight: 157.6147
Cas No: [52-89-1]
Characteristics: White crystals or crystalline powder; strongly acid taste.
Quality Standards: USP28
Item Specifications
USP28
Appearance:White crystals or crystalline powder; strongly acid taste.
Identification:Infrared Absorption
Specific optical rotation:+5.6 °- +8.9 °
Sulfate:≤ 0. 03 %
Iron:≤ 0. 003 %
Heavy Metals (as Pb),:≤ 0.00 15%
Organic volatile impurities:Meets the requirement
Loss on drying,:≤ 1 %
Residue on ignition,:c
Assay:98.5-101.5 %
Organic volatile impurities:Meets the requirement
Chromatographic purity:0.5% max Individual impurity, 2% max total

Packaging and Storage: In 25kgs f iber drum double polyethylene bags inside; Preserve in well- closed containers, at controlled room temperature.
Recommended limit: 2 year.

Pls contact us by this email for more details:
ggbiology at gmail.com