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L-Cysteine ​​monohydrochloride（CAS# 52-89-1)
  • L-Cysteine ​​​​monohydrochloride（CAS# 52-89-1) 1

L-Cysteine ​​​​monohydrochloride（CAS# 52-89-1)

Waiwai Kemika:

ʻĀpana Molekala C3H8ClNO2S
Molar Mass 157.62
Lae hehee 180°C
Lae Boling 305.8°C ma 760 mmHg
Kahuli kiko'ī(α) 5.5 º (c=8, 6 N HCL)
Lae Flash 138.7°C
Hiki i ka wai HOOLAHA
Ka hoʻoheheʻe H2O: 1M ma 20°C, akaka, kala ole
Puʻupuʻu mahu 0.000183mmHg ma 25°C
Ka nana aku Na Kilika Keokeo
kala kala Keʻokeʻo a ʻulaʻula
ʻO Merck 14,2781
BRN 3560277
Kūlana Waihona Ka lewa inert, ka wela lumi
Paʻa Paʻa, akā māmā, ʻoluʻolu a me ka ea. ʻAʻole kūpono me nā mea hoʻokahe ikaika, kekahi mau metala.
Pilikino Hygroscopic
MDL MFCD00064553
Na Waiwai Kino a Kimia Keokeo Crystal a i ʻole ka pauka crystalline, ʻala, ʻakika, hiki ke hoʻoheheʻe ʻia i ka wai, ammonia, acetic acid, ethanol-soluble, acetone, ethyl acetate, benzene, carbon disulfide, carbon tetrachloride. ʻO ka paʻa ʻana o ka ʻakika, a ma ke ʻano kūʻokoʻa a i ʻole ka alkaline liʻiliʻi e maʻalahi ka hoʻoheheʻe ʻana i ka ea i loko o ka cystine, hiki i ka hao a me nā ion metala kaumaha ke hoʻoikaika i ka oxidation. ʻOi aku ka paʻa o kāna hydrochloride, no laila ua hana maʻamau ia i hydrochloride. ʻO ka L-cysteine ​​kahi waikawa amino pono ʻole i loko o ka sulfur. I loko o ke kino ola, ua pani ʻia ka hydroxyl oxygen atom o serine e ka sulfur atom o methionine a hoʻohui ʻia ma o ka thioether. Hiki i ka L-cysteine ​​ke hoʻoulu i ka glutathione, i komo i ke kaʻina hana hōʻemi o nā cell a me ka metabolism phospholipid i loko o ke ake, hiki ke pale i nā ʻōpū o ka ate mai ka pōʻino, a hiki ke hoʻoulu i ka hana hematopoietic, hoʻonui i ke koko keʻokeʻo, paipai i ka hoʻoponopono ʻana i nā ʻili ʻili. He 175 ℃ kona mp, 175 ℃ ka wela decomposition, 5.07 ka helu isoelectric, [α]25D-16.5 (H2O), [α]25D 6.5 (5mol/L, HCl).
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Nā hōʻailona pōʻino Xi – Hoʻohaunaele
Nā Code Risk 36/37/38 – Hoʻonanea i nā maka, ʻōnaehana hanu a me ka ʻili.
Ka wehewehe palekana S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S36 – E komo i nā lole pale kūpono.
WGK Kelemānia 2
RTECS HA2275000
NUI FLUKA BRAND F 3-10-23
TSCA ʻAe
HS Code 29309013
Kaʻawaʻawa LD50 intraperitoneal i ka iole: 1250mg/kg

 

Hoʻolauna

ʻO ka ʻono waika ikaika, ʻaʻohe ʻala, ʻala wale nō ka ʻala sulfite. He amino acid ia i hoʻohana ʻia e nā ʻiʻo ʻiʻo like ʻole e pale aku i nā mea ʻino a hoʻonui i ka ikaika o nā holoholona a me nā mea kanu. ʻO ia kekahi o nā ʻakika amino ʻoi aku ma mua o 20 i hana i nā protein, a ʻo ia wale nō ka amino acid me ka sulfhydryl ikaika (-SH).

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