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APIs thiab Intermediates
H-Asp(OtBu)-OH CAS 3057-74-7

H-Asp(OtBu)-OH CAS 3057-74-7

CAS Nr .: 3057-74-7
Cov mis mos molecular: C8H15NO4
Molecular Luj: 189.21
EINECS NO: 221-292-8
MDL Nr.: MFCD00038577

Txhawb tshuaj

Product Description:

Khoom npe: H-Asp(OtBu)-OH CAS 3057-74-7

 

Synonyms:

(2S)-2-Amino-4-[(2-methyl-2-propanyl)oxy]-4-oxobutanoic acid;

L-Aspartic acid 4-tert-Butyl ester;

L-Aspartic acid, 4-(1,1-dimethylethyl) ester;

 

Chemical & Physical Properties

Qhov tsos: Dawb khov

Assay: Ntau dua lossis sib npaug li 98%

Melting point: 220℃(lub kaum hli ntuj)

Kub taw tes: 318.7 ± 37.0 degree

Qhov ceev: 1.162 ± 0.06 g / cm³

Solubility: Soluble hauv methanol (me ntsis), dej (me ntsis, tom qab kho ultrasonic)

Acidity coefficient (pKa): 2.19 ± 0.23

Stability: Hygroscopicity

 

Cov ntaub ntawv kev nyab xeeb

Cov nqe lus pheej hmoo: R36/37/38

Cov Lus Qhia Txog Kev Nyab Xeeb: S22-S24/25

WGK Germany: 3

HS Code: 2922509090

 

Daim ntawv thov: L-aspartic acid-4-tert-butyl ester, abbreviated asp(OtBu), tuaj yeem npaj los ntawm cov tshuaj tiv thaiv aspartic acid nrog isobutylene. Nws tau raug tshaj tawm hauv cov ntaub ntawv uas nws tuaj yeem siv los npaj (Asp) 8-ODN couplings.

 

Yog tias koj txaus siab rau peb cov khoom lossis muaj lus nug, thov koj xav tiv tauj peb!

 

Cov khoom raws li patent yog muab rau R & D lub hom phiaj nkaus xwb. Txawm li cas los xij, lub luag haujlwm kawg tsuas yog nrog tus neeg yuav khoom.

Cim npe nrov: h-asp(otbu)-oh cas 3057-74-7, tuam ntxhab, lwm tus muag khoom, Hoobkas, yuav, hauv Tshuag

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