N-Acetyl-L-Tryptophan CAS 1218-34-4 (Ac-Trp-OH) Assay 98.5~101.0% Factory High Quality

N-Acetyl-L-Tryptophan , ina whakamaroke, kaua e iti iho i te 98.5 paiheneti, kaua hoki e neke ake i te 101.0 ōrau o N-Acetyl-L-Tryptophan (C13H14N2O3).
Whakaahuatanga: Kiriata ma, paura tioata ranei
He memeha noa ki te wairewa konutai waiwai me te mewaro, memeha ki te waiwaro, paku memeha ki te wai, tata korekore ki te etera
Wairewa (H2O, g/100g): 0.21 (30℃), 0.49 (50℃), 1.16 (70℃)
Tautuhinga: Whakatauritea te awhiowhiotanga infrared absorption o te tauira ki tera o te paerewa ma te tikanga kōpae pāhare pāporo bromide.
Whakatakotoranga
Hurihuri Tau [α]20/D: Tauira maroke, C=1, 1mol/L NaOH
State of Solution (Transmittance): 0.5g i roto i te 50ml o 1mol/L NaOH
Chloride (Cl): 0.7g, A-1, ref: 0.40ml o 0.01mol/L HCl
Haukinia (NH4): A-3
Putakawa (SO4): 1.2g, (1), ref: 0.50ml o 0.005mol/L H2SO4
Rino (Fe): 1.5g, (2) ref: 1.5ml o Iron Std.(0.01mg/ml)
Nga Kourarahi Taumaha (Pb): 2.0g, (3), ref: 2.0ml o Pb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, ref: 2.0ml o As2O3 Std.
Ngaronga i te whakamaroke: i te 105 ℃ mo te 1 haora
Te toenga i runga i te mura (Sulfated): AJI Test 13
Te whakamatautau: Tauira maroke, 350mg MeOH 40ml, 0.1mol/L NaOH 1ml=24.627mg C13H14N2O3
pH: 0.1g i te 100ml o H2O
Matū pai Ninhydrin: 100mg o te tauira + 1ml wai + 1ml o te waikawa acetic.Ko te konutai acetate buffer (pH 5.5) + 1ml ninhydrin TS →wera i roto i te pati wai mo te 5 meneti,
Te rohe rokiroki me nga ahuatanga e taunakitia ana: Ko nga ipu kikii te pupuri i te pāmahana rūma whakahaere (2 tau).