Basic information Safety Supplier Related

AMINO-THIOPHEN-2-YL-ACETIC ACID

Basic information Safety Supplier Related

AMINO-THIOPHEN-2-YL-ACETIC ACID Basic information

Product Name:
AMINO-THIOPHEN-2-YL-ACETIC ACID
Synonyms:
  • RARECHEM AK ML 0429
  • 2-AMINO-2-(2-THIENYL)ACETIC ACID
  • alpha-(2-thienyl)glycine
  • LABOTEST-BB LT00233175
  • H-DL-(2)THG-OH
  • H-DL-(2-THIENYL)GLY-OH
  • DL-2-(2-THIENYL)GLYCINE
  • DL-ALPHA-2-THIENYL-GLYCINE
CAS:
21124-40-3
MF:
C6H7NO2S
MW:
157.19
EINECS:
244-225-4
Mol File:
21124-40-3.mol
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AMINO-THIOPHEN-2-YL-ACETIC ACID Chemical Properties

Melting point:
208-210 °C(lit.)
Boiling point:
311.8±32.0 °C(Predicted)
Density 
1.418
storage temp. 
2-8°C
pka
1.88±0.10(Predicted)
BRN 
126780
CAS DataBase Reference
21124-40-3(CAS DataBase Reference)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
22-24/25
WGK Germany 
3
10
HS Code 
2934999090

MSDS

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AMINO-THIOPHEN-2-YL-ACETIC ACID Usage And Synthesis

Purification Methods

Recrystallise 2-(2-thienyl)glycine by dissolving it in H2O (1g in 3 mL), adjusting the pH to 5.5 with aqueous NH3, diluting with MeOH (20 mL), stirring, adjusting the pH to 5.5 and cooling to 0o. Also recrystallise it from small volumes of H2O. [R-isomer: Nishimura et al. Nippon Kagaku Zasshi 82 1688 1961, S-isomer: Johnson & Panetta Chem Abstr 63 14869 1965, Johnson & Hardcastle Chem Abstr 66 10930 1967, RS-isomer: LiBassi et al. Gazz Chim Ital 107 253 1977.] The (±) N-acetyl derivative has m 191o (from H2O) [Schouteenten et al. Bull Soc Chim Fr II 248, II 252 1978].

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