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L-Cysteine

CY110 | 52-90-4 | C3H7NO2S | Spectrum Chemical

Catalog Size Package Availability Manufacturer List Price Unit
CY110-25GM 25 GM Spectrum Chemical $42.80 EA
CY110-100GM 100 GM Spectrum Chemical $84.65 EA
CY110-500GM 500 GM Spectrum Chemical $301.00 EA
CY110-1KG 1 KG Spectrum Chemical $592.40 EA
CY110-25KGBL 25 KG Spectrum Chemical $4870.00 EA
CY110-50KGBL 50 KG Spectrum Chemical $9685.00 EA

Description Back to Top

L-Cysteine is biosynthesized in humans and a semi-essential amino acid. It is used most often used as a food additive. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

Specifications Back to Top

Test Specification
Min Max
ASSAY (C3H7NO2S) 98.0 102.0 %
SPECIFIC ROTATION, [a] (C=8; 1N HCl) +7.0° to +9.0°
TRANSMITTANCE 95 %
AMMONIUM (NH4) 0.02 %
ARSENIC (As) 0.0002 %
CHLORIDE (Cl) 0.05 %
HEAVY METALS (as Pb) 0.001 %
IRON (Fe) 0.003 %
LOSS ON DRYING 0.5 %
RESIDUE AFTER IGNITION 0.2 %
SULFATES (SO4) 0.03 %
EXPIRATION DATE
DATE OF MANUFACTURE
APPEARANCE

Shipping & Storage Back to Top

Storage Information
LIGHT SENSITIVE, AIR SENSITIVE, HYGROSCOPIC: Keep tightly closed in light-resistant containers.
Shipping Information

Tariff No. 2930904950

prop65WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Shipping Costs
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CY110 has a rating of 5 stars based on 7 reviews.