Methyl 5-methyl-1H-pyrazole-3-carboxylate

CAS 25016-17-5 C₆H₈N₂O₂ 140.14 g/mol Catalogue item Heterocycles

Structure of Methyl 5-methyl-1H-pyrazole-3-carboxylate, CAS 25016-17-5 — Structure · C6H8N2O2

CAS number: 25016-17-5
Molecular formula: C₆H₈N₂O₂
Molecular weight: 140.14 g/mol
Standard packing: 1kg / 25kg / 100kg

Methyl 5-methyl-1H-pyrazole-3-carboxylate (CAS 25016-17-5) is a heterocyclic building block of formula C6H8N2O2, 140.14 g/mol.

The ring is the scaffold rather than a substituent, so late-stage work happens on a ring carbon or on the carboxylic acid hanging off it. The methyl branch at C5 changes how the chain packs, which shows up in melting behaviour and in the solubility of the free material.

The formula C6H8N2O2 resolves to 6 carbons with 2 oxygens and 2 nitrogens. Short-chain entries of this size are volatile enough that headspace and packing matter: the lot is shipped in sealed units and opened in a fume hood.

Handling and storage

Heterocycles are stored dry and out of light; several of the entries in this group are light sensitive.

Ordering

Supplied in 1kg / 25kg / 100kg; a gram-scale sample is quoted against the same specification, so the analysis seen at sample stage is the analysis of the kilo lot.

Other heterocycles entries

All 34 in this group →

CAS	Compound	Formula	MW	Packing	Quote
32477-35-3	1-(Heptafluorobutyryl)imidazole	C₇H₃F₇N₂O	264.10	1kg / 25kg / 100kg	Request
23616-31-1	1,6-Naphthyridin-5(6H)-one	C₈H₆N₂O	146.15	1kg / 25kg / 100kg	Request
872701-04-7	1H-1,2,3-Triazole-4-butanoic acid	C₆H₉N₃O₂	155.15	1kg / 25kg / 100kg	Request
16681-70-2	1H-1,2,3-Triazole-5-carboxylic acid	C₃H₃N₃O₂	113.08	1kg / 25kg / 100kg	Request
521300-19-6	1H-Pyrazole-3-carboxylic acid, 5-cyclopentyl-, ethyl ester	C₁₁H₁₆N₂O₂	208.26	1kg / 25kg / 100kg	Request
19668-85-0	2-(3-Methyl-1,2-oxazol-5-yl)acetic acid	C₆H₇NO₃	141.12	1kg / 25kg / 100kg	Request
218784-65-7	2-(3-Methylisoxazol-5-yl)ethanol	C₆H₉NO₂	127.14	1kg / 25kg / 100kg	Request
114905-18-9	2-(5-Chloropentyl)-1,3-dioxolane	C₈H₁₅ClO₂	178.65	1kg / 25kg / 100kg	Request

Specification

CAS	25016-17-5
Formula	C₆H₈N₂O₂
Molecular weight	140.14 g/mol
Packing	1kg / 25kg / 100kg
Assay	lot specific, on COA
Appearance	see COA
Storage	cool, dry, inert

Ordering

Catalogue items ship from stock or are made to order, whichever the lot status requires. A gram-scale sample is available before a kilo lot is committed.

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Supplied for laboratory and industrial use. Not for drug, cosmetic or household use.

Quotation

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Entry	Methyl 5-methyl-1H-pyrazole-3-carboxylate
CAS	25016-17-5
Typical lead time	Stock or 2–4 weeks
Documentation	COA, SDS, spec sheet

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