S-Carboxymethyl-L-Cysteine

Name: S-Carboxymethyl-L-Cysteine
Brand: Jinan Shenghe Chemical Co., Ltd.
SKU: 12060

CAS 638-23-3C5H9NO4SMW 179.20

S-Carboxymethyl-L-Cysteine (CAS 638-23-3) — formula C5H9NO4S, molecular weight 179.20.

Specifications

CAS Number638-23-3

Molecular FormulaC5H9NO4S

Molecular Weight179.20

Melting Point204 - 207 °C

LogP-3.1

Purchase Profile

What this product is

S-Carboxymethyl-L-Cysteine is a chemical compound with CAS registry number 638-23-3 and molecular formula C5H9NO4S (molecular weight 179.20).

Identification

CAS number: 638-23-3

Its molecular formula C5H9NO4S comprises 5 C, 9 H, 1 N, 4 O, 1 S atoms.

Also known as: S-Carboxymethyl-L-Cysteine · Carboxymethylcysteine

Frequently Asked Questions

What is the CAS number of S-Carboxymethyl-L-Cysteine?

The CAS registry number of S-Carboxymethyl-L-Cysteine is 638-23-3.

What is the molecular formula and molecular weight of S-Carboxymethyl-L-Cysteine?

Molecular formula C5H9NO4S, molecular weight 179.20.

What other names is S-Carboxymethyl-L-Cysteine known by?

It is also registered under: S-Carboxymethyl-L-Cysteine, Carboxymethylcysteine.

PubChem Public Data

Public-database records for S-Carboxymethyl-L-Cysteine (CAS 638-23-3), reproduced here for independent cross-checking.

Safety classification and hazard statements

Reported hazard statements	H302 (100%), H319 (100%)

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Physical description and handling notes

Solid
138.2 Å² [M+Na]+ [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
137.1 Å² [M+H]+ [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
136.7 Å² [M+Na-2H]- [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
130 Å² [M-H]- [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]

Reported physical properties

熔点	204 - 207 °C

How this substance is indexed

CAS Registry Number	638-23-3
PubChem CID	1080
分子式	C5H9NO4S
IUPAC 名称	2-amino-3-(carboxymethylsulfanyl)propanoic acid
UNII（FDA）	4252LRM78Q

Names this substance appears under

25390-17-4; S-(Carboxymethyl)cysteine; 5-Amino-3-thiadihexanoic acid; Carbocysteine, DL-; S-(Carboxymethyl)-(RS)-cysteine; DL-3-(Carboxymethylthio)alanine; 4252LRM78Q; Carbocysteine dl-; RefChem:1098234; 246-934-4; 2387-59-9; (RS)-Carbocisteine; S-Carboxymethylcysteine; S-(Carboxymethyl)-DL-cysteine; 2-amino-3-[(carboxymethyl)sulfanyl]propanoic acid; Thiodril

Computed molecular descriptors

分子量	179.20
XLogP3	-3.1
氢键供体数	3
氢键受体数	6
可旋转键数	5
精确质量	179.02522894
单同位素质量	179.02522894
拓扑极性表面积	126
重原子数	11
形式电荷	0

Database abstract

S-Carboxymethyl-L-Cysteine · CAS 638-23-3 · C5H9NO4S. UNII 4252LRM78Q. 熔点: 204 - 207 °C.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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