asia_oju-iwe

ọja

BOC-L-Methionine (CAS# 2488-15-5)

Ohun-ini Kemikali:

Fọọmu Molecular C10H19NO4S
Molar Mass 249.33
iwuwo 1.160± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo 47-50°C(tan.)
Ojuami Boling 415.5± 40.0 °C(Asọtẹlẹ)
Yiyi pato (α) -23º (c=1.3, methanol)
Oju filaṣi 205.1°C
Solubility fere akoyawo ni kẹmika
Vapor Presure 4.56E-08mmHg ni 25°C
Ifarahan funfun lulú
Àwọ̀ Funfun si pa-funfun
BRN Ọdun 1727869
pKa 3.83± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Tọju ni aaye dudu, Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive -22 ° (C=1.3, ACOH)
MDL MFCD00065586

Alaye ọja

ọja Tags

Awọn aami ewu Xn – ipalara
Awọn koodu ewu R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju.
S36 - Wọ aṣọ aabo to dara.
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
WGK Germany 3
FLUKA BRAND F koodu 9-23
HS koodu 2930 90 98

 

Ọrọ Iṣaaju

N-Boc-L-aspartic acid jẹ itọsẹ L-methionine ti o ni ẹgbẹ N-idaabobo ninu.

 

Didara:

N-Boc-L-methionine jẹ funfun ti o lagbara ti o jẹ tiotuka ni diẹ ninu awọn nkanmimu Organic gẹgẹbi methanol, ethanol, ati methylene kiloraidi. O jẹ iduroṣinṣin ni awọn ipo ekikan ṣugbọn hydrolyzed ni awọn ipo ipilẹ.

 

Lo:

N-Boc-L-methionine jẹ ẹgbẹ aabo amino acid ti o wọpọ ti o ṣe aabo fun awọn ẹgbẹ ifaseyin miiran ninu iṣelọpọ ti awọn agbo ogun Organic.

 

Ọna:

Igbaradi ti N-Boc-L-methionine nigbagbogbo waye nipasẹ iṣesi kemikali ti ẹgbẹ aabo N-Boc lori L-methionine. Ọna ti o wọpọ ni lati lo Boc2O (N-butyldicarboxamide) ati ayase ipilẹ lati fun N-Boc-L-methionine lẹhin iṣesi naa.

 

Alaye Abo:

N-Boc-L-methionine jẹ ailewu ni gbogbogbo labẹ awọn ipo iṣẹ adanwo ti aṣa. O le jẹ irritating si oju, awọ ara, ati atẹgun atẹgun ati pe o yẹ ki o ṣe itọju lati yago fun olubasọrọ nigba lilo. San ifojusi lati tẹle awọn pato iṣẹ ṣiṣe idanwo aabo ati ni ipese pẹlu awọn iwọn aabo to baamu.


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