All Photos(3)
About This Item
Empirical Formula (Hill Notation):
C4H5N3O2
CAS Number:
Molecular Weight:
127.10
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
Assay
95%
form
powder
mp
135 °C (dec.) (lit.)
storage temp.
2-8°C
SMILES string
Nc1n[nH]cc1C(O)=O
InChI
1S/C4H5N3O2/c5-3-2(4(8)9)1-6-7-3/h1H,(H,8,9)(H3,5,6,7)
InChI key
KMRVTZLKQPFHFS-UHFFFAOYSA-N
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Choose from one of the most recent versions:
Certificates of Analysis (COA)
Lot/Batch Number
Don't see the Right Version?
If you require a particular version, you can look up a specific certificate by the Lot or Batch number.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
A J Dobson et al.
Acta crystallographica. Section C, Crystal structure communications, 54 ( Pt 2), 253-256 (1998-04-16)
3-Aminopyrazole-4-carboxylic acid, C4H5N3O2, crystallized in the non-centrosymmetric space group P21 in the zwitterionic form. Intermolecular N--H...O hydrogen bonds with N...O distances of 2.768 (2) and 2.747 (2) A link molecules into two sets of chains propagating along [110] and [110].
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service