tert-Butyl (3-methylpyridin-2-yl)carbamate

Also known as: 2-(Boc-Amino)-3-methylpyridine, 2-(N-Boc-Amino)-3-methylpyridine, 2-BOC-Amino-3-picoline, 2-tert-butoxycarbonylamino-3-methylpyridine, Carbamic acid, N-(3-methyl-2-pyridinyl)-, 1,1-dimethylethyl ester, N-Boc-3-methylpyridin-2-amine, t-Butyl 3-methylpyridin-2-ylcarbamate, tert-butyl N-(3-methylpyridin-2-yl)carbamate

tert-Butyl (3-methylpyridin-2-yl)carbamate (CAS 138343-75-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H16N2O2 and a molecular weight of 208.25700 g/mol. Key properties include a melting point of 134-138ºC, a boiling point of 268.517ºC at 760 mmHg, a density of 1.108g/cm3 and a flash point of 116.195ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 138343-75-6
Jingsj CID: J-1068998-2
Molecular Formula: C₁₁H₁₆N₂O₂
Molecular Weight: 208.25700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	134-138ºC
Boiling Point	268.517ºC at 760 mmHg
Density	1.108g/cm3
Flash Point	116.195ºC
Exact Mass	208.12100
PSA	51.22000
LogP	2.81000
Vapor Pressure	0.008mmHg at 25°C
Refractive Index	1.541

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed
H317 — May cause an allergic skin reaction
H319 — Causes serious eye irritation

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 tert-Butyl (3-methylpyridin-2-yl)carbamate?

The CAS number of tert-Butyl (3-methylpyridin-2-yl)carbamate is 138343-75-6.

What are the molecular formula and molecular weight of tert-Butyl (3-methylpyridin-2-yl)carbamate?

tert-Butyl (3-methylpyridin-2-yl)carbamate has molecular formula C11H16N2O2 and molecular weight 208.25700 g/mol.

Is tert-Butyl (3-methylpyridin-2-yl)carbamate hazardous?

tert-Butyl (3-methylpyridin-2-yl)carbamate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of tert-Butyl (3-methylpyridin-2-yl)carbamate?

For tert-Butyl (3-methylpyridin-2-yl)carbamate, Upstream Products: 2-Amino-3-methylpyridine, Di-tert-butyl dicarbonate; Downstream Products: 2-Cyclopropyl-1H-pyrrolo[2,3-b]pyridine, 2,3-Dimethyl-7-azaindole, tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl (3-methylpyridin-2-yl)carbamate (CAS 138343-75-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1068998-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.