Cysteine

Identify Properties Safty Prices Suppliers 4 Links ☰

Identify Properties Safty Prices Suppliers 4 Links

CAS 3374-22-9

Formula C3H7NO2S

MDL MFCD00004881

Catalog #	Product (Catalog #)	Unit	Price (US$)	Quantity
900174947358	Cysteine (900174947358)		on request	+ -

>> or choose the supplier directly !

Identify

Synonyms:

dl-cysteine,99% ; l-hsch2ch(nh2)cooh ; h-dl-cys-oh ; dl-cysteine ; nsc 63864 ; cysteine, dl- ; dl-cysteina ; dl-cystein ; cysteine (9ci) ; dl-cysteine 0

CAS:

3374-22-9

EINECS:

222-160-2

Molecular Formula:

C3H7NO2S

MDL:

MFCD00004881

Properties

Molecular Weight:

121.16 g·mol−1

Density:

~1.3 g/cm³ (Predicted)

Melting point:

225 °C (dec.)(lit.)

Boiling point:

~293.9° C at 760 mmHg (Predicted)

Safety Information

Hazard Symbols: Xn, Xi, C

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

20/21/22-36/37/38-22-35 (R)

Safety Codes:

26-36-37/39-45-36/37/39 (S)

WGK Germany:

RTECS:

HA1595000

Prices

As an extract from the researched prices for Cysteine there are currently shown 35 prices in the last 10 years for CAS equal products. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2017 from USD 85.00 for 10 g to USD 44.00 per 1 g in 2026 .

Referenced last detected Prices

CAS Product
Size	Last Price	Quantity

DL-Cysteine
1 g	$44.00	+ -

DL-Cysteine
25 g	$1174.00	+ -

Last price review [2025-12-16]

Suppliers

Global Cysteine Suppliers : Germany (1) USA (1) P.R.China (1) Türkiye (1)

Supplier	Phone	Fax	Country	Inquiry contact
BIOZOL Diagnostica Vertrieb GmbH	+49-871-966346-0	+49-871-966346-13	Germany	REQUEST
Helm U.S. Corporation	+1-(732)981-1160	+1-(732)981 0965	USA	REQUEST
Leap Chem Co., Ltd	+852-30606658		P.R.China	REQUEST
Zyntex Ltd			TÃ¼rkiye	REQUEST