L Tyrosine is also the precursor of epinephrine, thyroid hormones, and melanin. It is a non-essential amino acid. In animals it is synthesized from phenylalanine. Reference standards of L Tyrosine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
L-Tyrosine
Catalogue No.:PA 12 38000
CAS :
Molecular Formula : C9H11NO3
Molecular Weight : 181.19
L-Tyrosine-13C6
Catalogue No.:PA STI 086020
Molecular Formula : C313C6H11NO3
Molecular Weight : 187.14
L-Tyrosine-15N
Catalogue No.:PA STI 086021
Molecular Formula : C9H11¹?NO3
Molecular Weight : 182.18
N-Acetyl-3,5-diiodo-L-tyrosine
Catalogue No.:PA 12 0381000
Molecular Formula : C11H11I2NO4
Molecular Weight : 475.02
N-Cbz-L-tyrosine
Catalogue No.:PA 12 0381002
Molecular Formula : C17H17NO5
Molecular Weight : 315.33
L-Tyrosine tert-butyl ester
Catalogue No.:PA 12 0381003
Molecular Formula : C13H19NO3
Molecular Weight : 237.3
L-Tyrosine-13C9,15N
Catalogue No.:PA STI 089447
Molecular Formula : 13C9H1115NO3
Molecular Weight : 191.12
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