Minoxidil Impurity A

Product Information

Molecular Formula:
C4H5ClN4O
Molecular Weight:
160.56
Description
6-Chloro-pyrimidine-2,4-diamine 3-Oxide is an impurity of the antihypertensive and antialopecia agent Minoxidil.
Synonyms
6-Chloro-pyrimidine-2,4-diamine 3-Oxide; 2,6-Diamino-4-chloropyrimidine 1-Oxide; 2,4-Diamino-6-chloropyrimidine 3-N-Oxide; 2,4-Diamino-6-chloropyrimidine 3-Oxide; 6-Chloro-2,4-diaminopyrimidine 3-Oxide; NSC 137211
IUPAC Name
6-chloro-3-hydroxy-2-iminopyrimidin-4-amine
Canonical SMILES
C1=C(N(C(=N)N=C1Cl)O)N
InChI
InChI=1S/C4H5ClN4O/c5-2-1-3(6)9(10)4(7)8-2/h1,7,10H,6H2
InChI Key
DOYINGSIUJRVKA-UHFFFAOYSA-N
Boiling Point
506.5±53.0 °C(Predicted)
Melting Point
>194°C (dec.)
Purity
> 95%
Density
1.91±0.1 g/cm3(Predicted)
Appearance
Light Beige Solid
Storage
Amber Vial, Refrigerator, Under inert atmosphere

Safety Information

Hazards
H315:
Causes skin irritation.
H319:
Causes serious eye irritation.
H335:
May cause respiratory irritation.
Precautionary Statement
P261:
Avoid breathing dust, fumes, gas, mist, vapours, spray. [As modified by IV ATP].
P280:
Wear protective gloves/protective clothing/eye protection/face protection.
P302:
IF ON SKIN:
P305:
IF IN EYES:
P338:
Remove contact lenses if present and easy to do. Continue rinsing.
P351:
Rinse cautiously with water for several minutes.
P352:
Wash with plenty of soap and water.
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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