All Photos(1)
Synonym(s):
4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 4-Amino-5-hydrazino-1,2,4-triazole-3-thiol
Empirical Formula (Hill Notation):
C2H6N6S
CAS Number:
Molecular Weight:
146.17
Beilstein:
134867
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
Quality Level
Assay
≥99%
form
powder
mp
228-230 °C (dec.) (lit.)
solubility
0.5 M NaOH: soluble 50 mg/mL, clear to slightly hazy (yellow to yellow brown or orange solution)
SMILES string
NNc1nnc(S)n1N
InChI
1S/C2H6N6S/c3-5-1-6-7-2(9)8(1)4/h3-4H2,(H,5,6)(H,7,9)
InChI key
RDIMQHBOTMWMJA-UHFFFAOYSA-N
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Application
- Purpald® was used in purpald assay for determination of bacterial polysaccharides containing substituted or unsubstituted glycol in residues such as glycerol, ribitol, arabinitol, furanosyl galactose and sialic acid.
- It was used as chromogen during the determination of catalase activity in small tissue samples.
- It was used as reagent in determination of formaldehyde.
- It was used for derivatization of neutral monosaccharides during HPLC.
Legal Information
Purpald is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Sol. 1
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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The aim of this study was to investigate the effect of iron or/and zinc supplementation and termination of this treatment on the antioxidant defence of the male reproductive system and sperm viability in rats. The study consisted of 3 stages:
Journal of Liquid Chromatography, 16, 1105-1105 (1993)
J S Beckman et al.
Proceedings of the National Academy of Sciences of the United States of America, 87(4), 1620-1624 (1990-02-01)
Superoxide dismutase reduces injury in many disease processes, implicating superoxide anion radical (O2-.) as a toxic species in vivo. A critical target of superoxide may be nitric oxide (NO.) produced by endothelium, macrophages, neutrophils, and brain synaptosomes. Superoxide and NO.
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Physiology and molecular biology of plants : an international journal of functional plant biology, 26(4), 829-839 (2020-04-08)
DUF538 (domain of unknown function 538) proteins are known as a group of putative hypothetical proteins in a wide range of plant species. They have been identified from some plants challenged with various environmental stresses. However, a little is known
Gordon E Anthon et al.
Journal of agricultural and food chemistry, 52(12), 3749-3753 (2004-06-10)
Three colorimetric reagents for the determination of formaldehyde, the Nash reagent (ammonia plus acetylacetone), Purpald (4-amino-3-hydrazino-5-mercapto-1,2,4-triazole), and N-methylbenzothiazolinone-2-hydrazone (MBTH), were compared for the determination of methanol when used in conjunction with alcohol oxidase. The combination of alcohol oxidase plus the
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