N-alpha-Fmoc-L-valine (CAS# 68858-20-8)

Chemical Property:

Molecular Formula C20H21NO4

Misa ya Molar 339.39

Kachulukidwe 1.2270 (kuyerekeza molakwika)

Malo Osungunuka 143-145°C(lit.)

Boling Point 475.36°C (kuyerekeza moyipa)

Kusinthasintha Kwachindunji(α) -16 º (c=1,DMF)

Flash Point 287.5°C

Solubility Kusungunuka mu methanol kumapereka kukomoka kwambiri

Kuthamanga kwa Nthunzi 5.19E-13mmHg pa 25°C

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Kugwiritsa ntchito

Fmoc-L-valine ndi yochokera ku amino acid, imatha kukonzedwa ndi gawo limodzi la L-valine ndi 9-fluorenyl methyl chloroformate.Zanenedwa m'mabuku kuti angagwiritsidwe ntchito pokonzekera valacyclovir.

Kufotokozera

Mawonekedwe Oyera mpaka makristalo achikasu
Mtundu Wopanda-Woyera
Mtengo wa 2177443
pKa 3.90±0.10(Zonenedweratu)
Kusungirako 2-8°C
Refractive Index -17.5 ° (C=1, DMF)
MDL MFCD00037124

Chitetezo

Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso/nkhope.
S26 - Mukakhudzana ndi maso, muzimutsuka nthawi yomweyo ndi madzi ambiri ndipo funsani malangizo achipatala.
S22 - Osapumira fumbi.
S27 - Chotsani nthawi yomweyo zovala zonse zowonongeka.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
WGK Germany 3
HS kodi 29242990
Hazard Note Irritant