Product Name: Methyldopa (DMF Available, GMP Approved)
CAS No.: 41372-08-1

Features:
1) Methyldopa
2) CAS no.: 41372-08-1
3) Standard: USP28
4) Usage: Antihypertensive drugs

Packing:
25kg/drum


Specifications:
1) Appearance: white or almost white, or almost colorless crystalline powder
2) Identification: A, B, C, D: positive
3) Solubility: meets the requirements
4) Appearance of solution: not more colored than BY6 or B6
5) Absorption: 122 ~ 137
6) Acidity (0.1N NaOH): 0.50ml/g max.
7) Specific rotation: -25.0 ~ -28.0^o
8) Optical rotation: -1.10 ~ -1.23^o
9) Residue on ignition: 0.10% max.
10) Heavy metals: 10ppm max.
11) Water: 10.0% ~ 13.0%
12) Residual solvents: meets the requirements
13) Related substances:
    a) 3-o-methyl methyldopa and related substance: 0.50% max.
    b) Any unknown impurity: 0.10% max.
    c) Total impurities: 2.0% max.
    d) Assay: 98.5% ~ 101.0%

We could also supply Levodopa, you are welcome to feel free to contact us!