USPUSP-NF
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Methyldopa
C10H13NO4·1½H2O 238.24
 C10H13NO4 211.22
 l-Tyrosine, 3-hydroxy-α-methyl-, sesquihydrate;
 l-3-(3,4-Dihydroxyphenyl)-2-methylalanine sesquihydrate
 [41372-08-1] Anhydrous [555-30-6]

DEFINITION

Methyldopa contains NLT 98.0% and NMT 102.0% of methyldopa (C10H13NO4), calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP 3-O-Methylmethyldopa RS
USP Methyldopa RS
USP Methyldopa Related Compound B RS
USP Methyldopa Related Compound C RS
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