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2-Amino-3-ethylsulfanylpropanoic acid

HCID 30993
NotesReactions
Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
2629-59-6
Standard SMILES
CCSCC(N)C(=O)O
InChIKey
ULXKXLZEOGLCRJ-UHFFFAOYSA-N
Molecular formula
C5H11NO2S
Average molar mass
149.21 g/mol
Monoisotopic mass
149.05104977

Names & identifiers

Preferred name
2-Amino-3-ethylsulfanylpropanoic acid
IUPAC
2-amino-3-ethylsulfanylpropanoic acid
English name
S-Ethyl-L-cysteine
Molecular formula
C5H11NO2S
Molecular weight
149.21

Names & synonyms

NSC49244S-Ethyl-DL-cysteine2-amino-3-ethylsulfanylpropanoic acidNSC-49244SCHEMBL685448S-ethyl-L-cysteine crystallineCHEMBL1978461SCHEMBL11218155MFCD03547952AKOS0001688382-amino-3-ethylsulfanyl-propanoic acidNCI60_004182
Show more names
Aids034431Aids-034431H-CYS(ET)-OHS-Ethyl-L-cysteine5-ETHYL-L-CYSTEINE3-(Ethylthio)alanineL-Cysteine, S-ethyl-S-ETHYL-L-CYSTEINE USP/EP/BP

Database identifiers

CAS
2629-59-6
PubChem CID
30993
ChEMBL
CHEMBL1978461
Nikkaji
J3.031.891I

Properties

Computed structural properties

XLogP
-2.3
Topological polar surface area
88.6 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
4
Rotatable bonds
4
Heavy atoms
9
Formal charge
0
Complexity
97

Physicochemical properties

Melting point
260 °C · 260°C
Boiling point
289.2 · 289.2±35.0 °C(Predicted)
Density
1.206 · 1.206±0.06 g/cm3(Predicted)
storage temp.
20 °C · −20°C
pka
1 · pK1:2.03(+1);pK2:8.60(0) (25°C,μ=0.1)
WGK Germany
3 · 3

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Safety data

wgk
3

Chemistry & industry

Suppliers23 total

上海瀚鸿科技股份有限公司021-54306202 13764082696 · [email protected]
苏州爱玛特生物科技有限公司0512-56316828 4008675858 · [email protected]
广州爱纯医药科技有限公司020-39119399 18927568969 · [email protected]
扬州瑞宏生物科技有限公司15380367604; 15380367604 · [email protected]
无锡亚肽生物科技有限公司0510-83583050 13771062561 · [email protected]
长春澜江医药科技有限公司18004466855 · [email protected]
石家庄默康医药科技有限公司18103213005 · [email protected]
陕西缔都医药化工有限公司029-029-81120477 17792793610 · [email protected]
南京安伦化工科技有限公司025-025-58367986 18913956109 · [email protected]
GL Biochem (Shanghai) Ltd.+86-021-61263370 +86-18901917034
career henan chemical co+86-0371-86658258 · [email protected]
康化(上海)新药研发有限公司021-61263370 18516560301 · [email protected]
上海吉奉生物科技有限公司021-61263377 15023907684 · [email protected]
滨海吉尔多肽有限公司021-61263389 13524856427 · [email protected]

Related reactions

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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
砌块化学科技(上海)有限公司021-20432219 13918097649 · [email protected]
GL Biochem(Binhai) Ltd.+86-021-61263370 15301650015 · [email protected]
四川嘉瑛莱科技有限责任公司028-64159575 · [email protected]
安庆合生药业有限公司0556-5200952 18156626239 · [email protected]
上海一飞生物科技有限公司021-65675885 18964387627 · [email protected]
重庆卡兰医药有限公司[email protected]
江苏艾康生物医药研发有限公司17714375163 · [email protected]
AFINE CHEMICALS LIMITED+86-571-85134551 +86-18958018566 · [email protected]
Dideu Industries Group Limited+86-29-81148696 +86-15129568250 · [email protected]

Additional notes

DefinitionChEBI: S-ethyl-L-cysteine is a S-alkyl-L-cysteine that is L-cysteine in which the hydrogen of the thiol group is substituted by an ethyl group. It has a role as an antitubercular agent. It is a tautomer of a S-ethyl-L-cysteine zwitterion.