Skip to Content
Merck

Skip To

30129

L-Cysteine hydrochloride monohydrate

BioUltra, ≥99.0% (RT)

Synonym(s):

L-Cysteine hydrochloride hydrate (1:1:1)

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View
Size/SKUAvailabilityPrice

About This Item

Linear Formula:
HSCH2CH(NH2)COOH · HCl · H2O
CAS Number:
Molecular Weight:
175.63
NACRES:
NA.26
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
200-157-7
MDL number:
Beilstein/REAXYS Number:
5158059
Pricing and availability is not currently available.
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


product line

BioUltra

Quality Segment

assay

≥99.0% (RT)

form

crystals

optical activity

[α]20/D +5.6±0.3°, c = 5% in 5 M HCl

impurities

insoluble matter, passes filter test, ≤0.5% foreign amino acids

ign. residue

≤0.05% (as SO4)

color

white

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

sulfate (SO42-): ≤200 mg/kg

cation traces

Al: ≤10 mg/kg, As: ≤0.5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤500 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 1.0, λ: 280 nm Amax: 0.3

SMILES string

O.Cl.N[C@@H](CS)C(O)=O

InChI

1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1

InChI key

QIJRTFXNRTXDIP-JIZZDEOASA-N

Biochem/physiol Actions

NMDA glutamatergic receptor antagonist.

Compare Similar Items

View Full Comparison

Show Differences

1 of 1

This Item
PHR11021161509C8005
form

crystals

form

-

form

powder

form

powder or crystals

assay

≥99.0% (RT)

assay

-

assay

-

assay

≥98% (TLC)

product line

BioUltra

product line

-

product line

-

product line

-

optical activity

[α]20/D +5.6±0.3°, c = 5% in 5 M HCl

optical activity

-

optical activity

-

optical activity

-

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

-

solubility

water: 100 g/L at 25 °C

solubility

-

color

white

color

-

color

-

color

white to off-white


Still not finding the right product?


Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library



Questions

Reviews

No rating value

Active Filters