Cysteine, S-methyl C-11

Details

Stereochemistry	ABSOLUTE
Molecular Formula	C4H9NO2S
Molecular Weight	134.185
Optical Activity	UNSPECIFIED
Defined Stereocenters	1 / 1
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

[11CH3]SC[C@H](N)C(O)=O

InChI

InChIKey=IDIDJDIHTAOVLG-QQQRDDGISA-N

InChI=1S/C4H9NO2S/c1-8-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)/t3-/m0/s1/i1-1

HIDE SMILES / InChI

Molecular Formula	C4H9NO2S
Molecular Weight	134.185
Charge	0
Count

Stereochemistry	ABSOLUTE
Additional Stereochemistry	No
Defined Stereocenters	1 / 1
E/Z Centers	0
Optical Activity	UNSPECIFIED

Approval Year

Substance Class	Chemical Created by `admin` on `Wed Apr 02 15:20:46 GMT 2025` Edited by `admin` on `Wed Apr 02 15:20:46 GMT 2025`
Record UNII	8C7A92N3LN
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

L-Cysteine, S-(methyl-11C)-

Preferred Name

English

Cysteine, S-methyl C-11

Common Name

English

S-(Methyl-11C)-L-cysteine

Common Name

English

[11C]MCYS

Common Name

English

Code System Code Type Description

PUBCHEM

46935958

Created by admin on Wed Apr 02 15:20:46 GMT 2025 , Edited by admin on Wed Apr 02 15:20:46 GMT 2025

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FDA UNII

8C7A92N3LN

Created by admin on Wed Apr 02 15:20:46 GMT 2025 , Edited by admin on Wed Apr 02 15:20:46 GMT 2025

PRIMARY

CAS

847786-17-8

Created by admin on Wed Apr 02 15:20:46 GMT 2025 , Edited by admin on Wed Apr 02 15:20:46 GMT 2025

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Related Record Type Details


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S-METHYLCYSTEINE

NON-LABELED -> LABELED

Comments:

a PET tracer for tumor imaging, reportedly an analogue of 11C-MET, seemed to have potential value as a PET imaging agent for tumors.1

Amount: