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CAS No 13100-82-8 , 2-amino-3-sulfopropanoic acid

  • Name: 2-amino-3-sulfopropanoic acid
  • Synonyms: 3-sulfo-; 3-Sulfoalanine; Alanine; DL-CYSTEIC ACID;beta-Sulfoalanine; 2-amino-3-sulfopropanoic acid; CHEBI:21260; Cysteinic acid;2-amino-3-sulfopropanoic acid;
  • CAS Registry Number:
  • Density: 1.775g/cm3
  • Refractive index: 1.576
  • EINECS: 207-861-3
  • Molecular Weight: 169.15638
  • InchiKey: XVOYSCVBGLVSOL-UHFFFAOYSA-N
  • InChI: InChI=1S/C3H7NO5S/c4-2(3(5)6)1-10(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)
  • Molecular Formula: C3H7NO5S
  • Molecular Structure:CAS No:13100-82-8 2-amino-3-sulfopropanoic acid
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13100-82-8 DL-CYSTEIC ACID

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong null,nullHong kong
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13100-82-8 C-9550 DL-CYSTEIC ACID

  • Switzerland Biosynth AG [Manufacturer]
  • Tel: +41 71 858 20 20/ 630.305.8400 (USA)
  • Fax: +41 71 858 20 30
  • Address: BIOSYNTH AG
    Rietlistrasse 4
    9422 Staad / Switzerland
    Phone: +41 (0)71 858 20 20
    Fax: +41 (0)71 858 20 30 null,nullSwitzerland
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13100-82-8 CYSTEIC ACID

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China null,nullChina
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References of 2-amino-3-sulfopropanoic acid
Title: Cysteic Acid
CAS Registry Number: 13100-82-8
CAS Name: 3-Sulfoalanine
Synonyms: a-amino-b-sulfopropionic acid
Molecular Formula: C3H7NO5S
Molecular Weight: 169.16
Percent Composition: C 21.30%, H 4.17%, N 8.28%, O 47.29%, S 18.96%
Line Formula: HOOCCH(NH2)CH2SO3H
Literature References: Has been isolated from human hair oxidized with permanganate: Lissizin, Z. Physiol. Chem. 173, 309 (1928). Occurs normally in the outer part of the sheep's fleece, where the wool is exposed to light and weather: Martin, Synge, Adv. Protein Chem. 2, 3 (1945). Prepd from cystine or cysteine by oxidation with bromine in water: Friedmann, Beitr. Chem. Physiol. Pathol. 3, 25, 38; Gortner, Hoffman, J. Biol. Chem. 72, 435 (1927).
 
Derivative Type: L-Form
Properties: Octahedra or needles from dil alc (also forms a monohydrate, prismatic needles). When anhydr, dec 260°. [a]D20 +8.66° (1.85 g in 25 ml). pKa1 (25°): 1.89; pKa2 8.7; pKb about 12.7. Soluble in water. Insol in alcohol.
pKa: pKa1 (25°): 1.89; pKa2 8.7; pKb about 12.7
Optical Rotation: [a]D20 +8.66° (1.85 g in 25 ml)
 
Derivative Type: DL-Form
Properties: Crystals, dec 245°.