CAS RN: 1187-84-4
S-Methyl-L-cysteine
Product Availability
Choose a grade to view its available package options.
1 package records0 with current stock1 grade group
| Batch No. | Package | Availability | Lead Time | Inquiry |
|---|---|---|---|---|
| Batchno.20250414 | 1ml | Out of stock | 8-10 business days | Inquiry |
- Product code: SSC-018618
Historical Factory Record
Historical Supply Reference
This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.
- Pack sizes on record: 5g
- Available purity: ＞97%
- Inventory rows with stock: 0
- Bulk packaging: confirmed by inquiry
Reference Pack Sizes
Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 5g | ＞97% | 0 Out of Stock | Beijing | Inquiry |
1187-84-4 / (2R)-2-amino-3-methylsulfanylpropanoic acid
S-Methyl-L-cysteine | S-Methylcysteine | L-Cysteine, S-methyl-
Basic Information
CAS
1187-84-4
Multi CAS
Yes
Molecular Formula
C4H9NO2S
Molecular Weight
135.190000
Exact Mass
135.035400
SMILES
CSC[C@@H](C(=O)O)N
InChI
InChI=1S/C4H9NO2S/c1-8-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)/t3-/m0/s1
InChIKey
IDIDJDIHTAOVLG-VKHMYHEASA-N
Synonyms
S-Methyl-L-cysteine
S-Methylcysteine
L-Cysteine, S-methyl-
ALANINE, 3-(METHYLTHIO)-, L-
(2R)-2-amino-3-(methylsulfanyl)propanoic acid
Physical Properties
Physical Description
Beige powder
State
Solid
Computed Properties
Structural Parameters
Heavy atom count
8
Fraction Csp3
0.75
Rotatable bonds
3
H-bond acceptors
3
H-bond donors
2
Molar refractivity
33.99
TPSA
63.32
LogP / Solubility
WLOGP
-0.24
MLOGP
-0.22
XLogP3
-2.7
Consensus LogP
-1.05
Log S (ESOL)
-0.33
Class (ESOL)
Very soluble
Log S (Ali)
-0.5
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.7
Class (SILICOS-IT)
Very soluble
ADME
GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.71
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
2
Safety & Transport
Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
