Synonym: 2-Ami*-methyl-2-imidazolin-4-one, 2-Imi*-methylimidazolidin-4-one, 2-Imino-N-methylhydantoin CAS Number: 60-27-5 Linear Formula: C4H7N3O Molecular Weight: 113.12 Beilstein Registry Number: 112061 EC Number: 200-466-7

Synonym: Glycyl-L-tyrosine CAS Number: 658-79-7 Linear Formula: NH2CH2CONHCH(COOH)CH2C6H4OH Molecular Weight: 238.24 Beilstein Registry Number: 2700715 EC Number: 211-525-1

Synonym: 3-carboxymethylthio-L-alanine CAS Number: 638-23-3 Linear Formula: C5H9NO4S Molecular Weight: 179.19 Beilstein Registry Number: 1725012

Synonym: Parathormone, PTH CAS Number: 68893-82-3 Linear Formula: C408H674N126O126S2 Molecular Weight: 9424.62 MDL number: MFCD00081830

Synonym: (R)-4-(2-Ami*-hydroxyethyl)-1,2-benzenediol, L-Arterenol, L-Noradrenaline, Levarterenol CAS Number: 51-41-2 Linear Formula: C8H11NO3 Molecular Weight: 169.18 Beilstein Registry Number: 2804840 EC Number: 200-096-6

Synonym: (−)-Adrenalin, L-Adrenaline, L-Epinephrine, (R)-(−)-3,4-Dihydroxy-α-(methylaminomethyl)benzyl alcohol CAS Number: 51-43-4 Linear Formula: (HO)2C6H3CH(OH)CH2NHCH3 Molecular Weight: 183.20 Beilstein Registry Number: 2368277

Synonym: Sodium levothyroxine, T4, 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine sodium salt CAS Number: 6106-07-6 Linear Formula: HOC6H2I2OC6H2I2CH2CH(NH2)COONa · 5H2O Molecular Weight: 888.93 Beilstein Registry Number: 5721

Synonym: 3,3′,5,5″-Tetraiodo-L-thyronine, T4, 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine CAS Number: 51-48-9 Linear Formula: HOC6H2(I)2OC6H2(I)2CH2CH(NH2)CO2H Molecular Weight: 776.87 Beilstein Registry Number: 2228515