4-(2-Acetylhydrazino)-phthalazinone
- CAS65846-18-6
- CatalogueRS-Z401K35
- FormulaC10H10N4O2
- MW218.08
On this page
Product identification
| Product name | 4-(2-Acetylhydrazino)-phthalazinone |
|---|---|
| Catalogue No. | RS-Z401K35 |
| CAS No. | 65846-18-6 |
| Molecular formula | C10H10N4O2 |
| Molecular weight | 218.08 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | General Reference Standards |
| Drug substance | Hydralazine |
| Also known as | Clearsynth |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-Z401K35 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Hydralazine
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z401K35
- Request a quotation for RS-Z401K35
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Hydralazine
All 32 further standards are listed here — every link is in the page, not loaded later.
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Hydralazine HCl
IN STOCKRS-I007112 -
Hydralazine EP Impurity A
IN STOCKRS-H005008 -
(2-Nitrophenyl)hydrazine
IN STOCKRS-U002A2B -
1,1,-Di(phthalazine-yl)amine
IN STOCKRS-D112007 -
1-(6-chlorophthalazin-4-yl)hydrazine
CUSTOM SYNTHESISRS-P001122 -
1-methoxyphthalazine
IN STOCKRS-U010617 -
1-Phthalazinone
IN STOCKRS-P017024 -
2-(3-Oxo-1,3-dihydroisobenzofuran-1-yl)phthalazin-1(2H)-one
IN STOCKRS-D113028 -
2-Methylphthalazin-1(2H)-one
IN STOCKRS-P011588 -
3-Methyl-1,2,4-triazolo[3,4-a]phthalazine
IN STOCKRS-I015192 -
3-methyl-[1,2,4]triazolo[3,4-a]phthalazin-8-ol
CUSTOM SYNTHESISRS-Z401JSW -
6-Chlorophthalazin-1-ol
IN STOCKRS-H005011 -
7-chlorophthalazin-1(2H)-one
IN STOCKRS-P001663 -
Hydralazine N-oxide
IN STOCKRS-H005005 -
Hydralazine-15N4 Hydrochloride
IN STOCKRS-H005003 -
Hydralazine-15N4 Pyruvic Acid Hydrazone
BACK ORDERRS-H005004 -
Hydralazine-d4
IN STOCKRS-H005015 -
Hydralazine-d4
IN STOCKRS-Z401GV8 -
Hydralazine-d4 Hydrochloride
IN STOCKRS-H005007 -
Hydralazine-d5
IN STOCKRS-H005013 -
Hydralazine-d5 Hydrochloride
IN STOCKRS-H005014 -
N-Ethyl-2-(4-methoxyphenyl)ethanamine
IN STOCKRS-Z401KOS -
Hydralazine Impurity 2 (Phthalazone)
IN STOCKRS-H005002 -
Hydralazine Impurity 3
IN STOCKRS-H005006 -
Hydralazine Impurity 7
IN STOCKRS-H005017 -
Hydralazine Impurity 10
IN STOCKRS-H005010 -
Hydralazine Impurity 12
CUSTOM SYNTHESISRS-H005016 -
Hydralazine Impurity 15
IN STOCKRS-P018058 -
Hydralazine Impurity 17
IN STOCKRS-H005009 -
Hydralazine Impurity 21
IN STOCKRS-H005012 -
Hydralazine Impurity 24
IN STOCKRS-U009165 -
Hydralazine Impurity 25
IN STOCKRS-H005018
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.









![Chemical structure of 3-Methyl-1,2,4-triazolo[3,4-a]phthalazine](/structures/w4/HAADZFBBHXCGLW-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of 3-methyl-[1,2,4]triazolo[3,4-a]phthalazin-8-ol](/structures/w4/WEZJHQRLSNPTOY-UHFFFAOYSA-N.webp?v=8)


















