
Identification
CAS Number
6027-13-0
Name
Homocysteine
Synonyms
L-Homocysteine [ACD/Index Name] [ACD/IUPAC Name]
(2S)-2-amino-4-sulfanylbutanoic acid
(S)-2-amino-4-mercapto-Butanoic acid
(S)-2-Amino-4-mercaptobutanoic acid
(S)-2-Amino-4-mercaptobutyric acid
(S)-homocysteine
0LVT1QZ0BA
227-891-0 [EINECS]
6027-13-0 [RN]
Homocysteine [ACD/Index Name] [ACD/IUPAC Name] [Wiki]
Homocysteine, L-
L-Homocystein [German] [ACD/IUPAC Name]
L-Homocystéine [French] [ACD/IUPAC Name]
(2S)-2-amino-4-mercaptobutanoic acid
(2S)-2-amino-4-mercapto-butyric acid
(2S)-2-amino-4-sulfanyl-butanoic acid
(2S)-2-ammonio-4-mercaptobutanoate
(2S)-2-azaniumyl-4-sulfanylbutanoate
[6027-13-0]
207-222-9 [EINECS]
2-amino-4-mercapto-Butanoic acid
2-Amino-4-mercaptobutyric acid
2-Amino-4-Mercapto-Butyric Acid
2-Amino-4-mercaptobutyric acid (VAN)
2-Amino-4-mercaptobuyric acid
2-Amino-4-mercapto-L-butyric acid
454-28-4 [RN]
454-29-5 [RN]
870-93-9 [RN]
Butanoic acid, 2-amino-4-mercapto- (VAN)
Butanoic acid, 2-amino-4-mercapto-, (S)-
Butyric acid, 2-amino-4-mercapto-
Butyric acid, 2-amino-4-mercapto- (8CI)
Butyric acid, 2-amino-4-mercapto-, L- (8CI)
CHEMBL469662
D-Homocysteine [ACD/Index Name] [ACD/IUPAC Name]
EINECS 227-891-0
HCS
Hcy
H-Hcys-OH
HOMO-CYS
homo-cys|homocysteine
Homocysteine (VAN)
Homocysteine, dl-
L-2-amino-4-mercaptobutyric acid
L-2-amino-4-mercapto-Butyric acid
L-homocysteine zwitterion
MFCD00151320 [MDL number]
QB-6218
UNII :0LVT1QZ0BA
UNII-0LVT1QZ0BA
UNII-S7IJP4A89K
SMILES
C(CS)[C@@H](C(=O)O)N
StdInChI
InChI=1S/C4H9NO2S/c5-3(1-2-8)4(6)7/h3,8H,1-2,5H2,(H,6,7)/t3-/m0/s1
StdInChIKey
FFFHZYDWPBMWHY–VKHMYHEASA-N
Molecular Formula
C4H9NO2S
Molecular Weight
135.185
EINECS
MDL Number
Safety Data
Symbol
Signal Word
Warning
Hazard statements
H302RIDADR
NONH for all modes of transport
WGK Germany
3
Specifications and Other Information of Our Homocysteine CAS 6027-13-0
General Assay Characteristics
| Method | Enzymatic/RATE A/E |
| Reagents | Ready to use |
| Calibrators | Level 1-0.0 μmol/L ; Level 2-28.0 μmol/L |
| Calibration Stability | 28 days |
| Sample type | EDTA,SST,Serum,Heparinised plasma |
| Assay range | 1-50.0 μmol/L undiluted |
| Standardisation | NIST SRM 1955”Homocysteine Standard Reference Material” |
Assay Principle



Proposed Hcy Recipe
Reagent I
| Composition | Concentration | Catalog Number |
| Tris-HCl buffer | 50mM | |
| NADH | 0.45mM | CS001 |
| Serine | 0.5mM | |
| TCEP | 2.0mM | |
| LDH | 10KU | EM005 |
| Detergent, Preservative |
Reagent II
| Composition | Concentration | Catalog Number |
| K-phosphate, Ph7.5 | 200mM | |
| CBS | 0.45mM | EM002 |
| CBL | 0.5mM | EM003 |
| EDTA | 2.5mM | |
| Tritoon X-100 | 0.05% | |
| Detergent, Preservative |
Major reagent ingredients made by Assay Specilist Lab are list on right
Standard&Control
Home Made : DL-homocysteine in HCl
Commercial available : Bio-Rad : 10.8±2.18, Cat# 34982 ; 28.5±5.6 Cat# 34982 ; BioTech homocysteine calibrator(SFDA Registration # 2013-2400218)
Reaction curve chart






Known Application
Ligand used in a synthesis of heterocycles by palladium-catalyzed C-N cross coupling of 3-bromothiophenes with 2-aminopyridines. Also used in a ruthenium-catalyzed alkylation of active methylene compounds with alcohols. Metal chelating ligand for catalysis.








![Structure of <span class="caps">7-BROMO-2</span>,<span class="caps">3-DICHLOROPYRIDO</span>[2,<span class="caps">3-B</span>]<span class="caps">PYRAZINE</span> <span class="caps">CAS</span> 341939-31-9 Structure of 7-BROMO-2,3-DICHLOROPYRIDO[2,3-B]PYRAZINE CAS 341939-31-9](https://www.watson-int.com/wp-content/uploads/2018/04/Structure-of-7-BROMO-23-DICHLOROPYRIDO23-BPYRAZINE-CAS-341939-31-9.png)