4-Methoxypicolinohydrazide
Also known as: 4-Methoxy-pyridine-2-carboxylic acid hydrazide, 4-Methoxypicolinic acid hydrazide, 4-methoxy-2-pyridinecarbohydrazide, 4-methoxypyridine-2-carbohydrazide, 2-Pyridinecarboxylic acid, 4-methoxy-, hydrazide
4-Methoxypicolinohydrazide (CAS 187973-18-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N3O2 and a molecular weight of 167.16500 g/mol. Key properties include a melting point of 157-159ºC and a density of 1.245g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 187973-18-8
- Jingsj CID
- J-1433384-7
- Molecular Formula
- C7H9N3O2
- Molecular Weight
- 167.16500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 157-159ºC |
|---|---|
| Density | 1.245g/cm3 |
| Exact Mass | 167.06900 |
| PSA | 77.24000 |
| LogP | 0.78490 |
| Refractive Index | 1.563 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Methoxypicolinohydrazide?
The CAS number of 4-Methoxypicolinohydrazide is 187973-18-8.
What are the molecular formula and molecular weight of 4-Methoxypicolinohydrazide?
4-Methoxypicolinohydrazide has molecular formula C7H9N3O2 and molecular weight 167.16500 g/mol.
Is 4-Methoxypicolinohydrazide hazardous?
4-Methoxypicolinohydrazide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 4-Methoxypicolinohydrazide?
For 4-Methoxypicolinohydrazide, Upstream Products: Methyl 4-methoxypicolinate, 4-chloro-pyridine-2-carbonyl chloride, 2-Picolinic acid; Downstream Products: tert-butyl N-(4-methoxypyridin-2-yl)carbamate, 2-Amino-4-methoxypyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methoxypicolinohydrazide (CAS 187973-18-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1433384-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.