Methylselenocysteine
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Methylselenocysteine
structure -
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CAS No:
26046-90-2
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Formula:
C4H9NO2Se
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Chemical Name:
Methylselenocysteine
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Synonyms:
L-Alanine,3-(methylseleno)-;Alanine,3-(methylselenyl)-,L-;3-(Methylseleno)-L-alanine;Se-Methylselenocysteine;Methylseleno-L-cysteine;Methylselenocysteine;Selenomethyl selenocysteine;(2R)-2-Azaniumyl-3-methylselanylpropanoate
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CAS No:
Description
Se-Methylselenocysteine, a precursor of Methylselenol, has potent cancer chemopreventive activity and anti-oxidant activity. Se-Methylselenocysteine is orally bioavailable, and induces apoptosis[1][2].
Solid
Se-methyl-L-selenocysteine is an L-alpha-amino acid compound having methylselanylmethyl as the side-chain. It has a role as an antineoplastic agent. It is a Se-methylselenocysteine, a non-proteinogenic L-alpha-amino acid and a L-selenocysteine derivative. It is a conjugate base of a Se-methyl-L-selenocysteinium. It is a conjugate acid of a Se-methyl-L-selenocysteinate. It is an enantiomer of a Se-methyl-D-selenocysteine. It is a tautomer of a Se-methyl-L-selenocysteine zwitterion.|Methylselenocysteine has been used in trials studying the prevention of Prostate Carcinoma and No Evidence of Disease.|Methylselenocysteine is a naturally occurring organoselenium compound found in many plants, including garlic, onions, and broccoli, with potential antioxidant and chemopreventive activities. Se-Methyl-seleno-L-cysteine (MSC) is an amino acid analogue of cysteine in which a methylselenium moiety replaces the sulphur atom of cysteine. This agent acts as an antioxidant when incorporated into glutathione peroxidase and has been shown to exhibit potent chemopreventive activity in animal models.
Characteristics
63.3
-0.89
White to slightly yellow Powder
314.1±37.0 °C at 760 mmHg
143.7±26.5 °C
−20°C
Safety Information
UN 3283 6.1/PG 2
3
23/25-33-50/53
20/21-28-45-60-61-28A
T,N
P260, P261, P264, P270, P271, P273, P301+P310, P304+P340, P311, P314, P321, P330, P391, P403+P233, P405, P501
H301
|Danger|H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]|P260, P261, P264, P270, P271, P273, P301+P310, P304+P340, P311, P314, P321, P330, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 40 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Drug Information
Agents that reduce the frequency or rate of spontaneous or induced tumors independently of the mechanism involved. (See all compounds classified as Anticarcinogenic Agents.)
L-methyl-selenocysteine
Computed Properties
Molecular Weight:182.09
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:3
Exact Mass:182.97985
Monoisotopic Mass:182.97985
Topological Polar Surface Area:63.3
Heavy Atom Count:8
Complexity:86.1
Defined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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