CAS No 487-90-1 , 3-[5-(aminomethyl)-4-(carboxymethyl)-1H-pyrrol-3-yl]propanoic acid

Name: 3-[5-(aminomethyl)-4-(carboxymethyl)-1H-pyrrol-3-yl]propanoic acid
Synonyms: PBG; 5-(aminomethyl)-4-(carboxymethyl)-pyrrole-3-propionic acid; 2-aminomethylpyrrol-3-acetic acid 4-propionic acid;3-[5-(aminomethyl)-4-(carboxymethyl)-1H-pyrrol-3-yl]propanoic acid;487-90-1;
CAS Registry Number:487-90-1
Flash Point: 243.2°C
Boiling Point: 478.6°C at 760 mmHg
Density: 1.421g/cm³
Refractive index: 1.621
Safety Statements: 26-36
Hazard Symbols: Xi
Flash Point: 243.2°C
EINECS: 207-666-3
Molecular Weight: 226.22916
InchiKey: QSHWIQZFGQKFMA-UHFFFAOYSA-N
InChI: InChI=1S/C10H14N2O4/c11-4-8-7(3-10(15)16)6(5-12-8)1-2-9(13)14/h5,12H,
1-4,11H2,(H,13,14)(H,15,16)
Risk Statements: 36/37/38
Molecular Formula: C₁₀H₁₄N₂O₄
Molecular Structure:

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           487-90-1 Porphobilinogen
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References of 3-[5-(aminomethyl)-4-(carboxymethyl)-1H-pyrrol-3-yl]propanoic acid

Title: Porphobilinogen
CAS Registry Number: 487-90-1
CAS Name: 5-(Aminomethyl)-4-(carboxymethyl)-1H-pyrrole-3-propanoic acid
Synonyms: 2-aminomethylpyrrol-3-acetic acid 4-propionic acid
Molecular Formula: C10H14N2O4
Molecular Weight: 226.23
Percent Composition: C 53.09%, H 6.24%, N 12.38%, O 28.29%
Literature References: An intermediate in the biosynthesis of heme, q.v., found in the urine of patients with acute porphyria: Westall, Nature 170, 614 (1952). Isoln and structure: Cookson, Rimington, Biochem. J. 57, 476 (1954). Synthesis: Jackson, MacDonald, Can. J. Chem. 35, 715 (1957). Chemistry of conversion into porphyrins: Mathewson, Corwin, J. Am. Chem. Soc. 83, 135 (1961).

Derivative Type: Monohydrate
Properties: Minute pink crystals from dil ammonium acetate soln at pH 4. Dec 172-175°. pK￠ = 3.70; 4.95; 10.1. Slightly sol in water. Converted to uroporphyrins by hot dil HCl or by blood hemolyzates.
pKa: pK￠ = 3.70; 4.95; 10.1

Derivative Type: Hydrochloride monohydrate
Properties: Fine triclinic needles from dil HCl, dec 165-170°. Soluble in water.