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SPECIFICATION NTAWM CAS: 60-18-4 L-Tyrosine
Yam khoom | SPECIFICATION |
Solubility | 1 M HCl |
Xim | Dawb rau daj-xim av |
Boiling point | 314.29°C |
Pka | 2.2 (ntawm 25 ℃) |
BRN | 392441 |
Alpha | -11.65 º (c=5, DIL HCL/H2O 50/50) |
Cia temp. | Khaws hauv qab no +30 ° C. |
Refractive Index | -12 ° C=5, 1 mol / L HCl) |
Daim ntawv | Hmoov |
EPA Tshuaj Registry System | L-Tyrosine (60-18-4) |
PH | 6.5 (0.1g/l, H2O) |
FEMA | 3 736|L-TYROSINE |
InChIKey | OUYCCCASQSFEME-QMMMMGPOBSA-N |
Fp | 176 °C |
Qhov ntom | 1.34 |
JECFA Number | 1434 |
Dej Solubility | 0.45 g/L (25 ºC) |
Melting point | & gt; 300 ° C (dec.) (lit.) |
Merck | 14,9839 |
Kev ruaj ntseg | ruaj khov. Incompatible nrog muaj zog oxidizing tus neeg sawv cev, muaj zog txo tus neeg sawv cev. |
Kev ua haujlwm kho qhov muag | [α]20/D 11.5 ± 1.0°, c=4% hauv 1 M HCl |
NIST Chemistry Reference | Tyrosine (60-18-4) |
CAS DataBase Reference | 60-18-4 (CAS DataBase Reference) |
Cov ntaub ntawv tuam txhab
Zhengzhou Alfa Tshuaj Co., Ltd
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Los ntawm cov tuam txhab muaj npe nrov hauv tsev thiab cov tsev kawm qib siab saum toj kawg nkaus, peb pab pawg tau mob siab rau kev tshawb fawb tshuaj lom neeg, lav cov khoom zoo los ntawm NMR, HPLC, MS, thiab lwm yam kev tshuaj xyuas thiab muab kev tshawb fawb thiab tsim cov kev daws teeb meem rau cov neeg siv khoom thoob ntiaj teb.
FAQ
1) Koj yuav saib xyuas li cas thaum koj cov neeg tau txais cov khoom tsis raug?
A: Hloov. Yog tias muaj qee yam khoom tsis raug, peb feem ntau muab credit rau peb cov neeg siv khoom lossis hloov cov khoom xa tuaj tom ntej.
2) Koj ua li cas los xyuas tag nrho cov khoom hauv cov kab ntau lawm.
A: Peb muaj cov chaw soj ntsuam thiab kuaj cov khoom tiav. Peb xyuas cov khoom ntawm txhua batch thaum lawv mus rau qib tom ntej ntau lawm.
Cim npe nrov: 60-18-4 l-tyrosine, nqe, hais, luv nqi, hauv Tshuag, kev muag khoom
