tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate

4-甲酰基-5-甲氧基吡啶-3-基氨基甲酸叔丁酯

Also known as: (4-FORMYL-5-METHOXY-PYRIDIN-3-YL)-CARBAMIC ACID TERT-BUTYL ESTER, 3-N-BOC-AMINO-4-FORMYL-5-METHOXYPYRIDINE, 3-N-Boc-Amino-4-formyl-5-methoxypyridine, Carbamic acid, N-(4-formyl-5-methoxy-3-pyridinyl)-, 1,1-dimethylethyl ester, tert-Butyl n-(4-formyl-5-methoxypyridin-3-yl)carbamate, tert-butyl N-(4-formyl-5-methoxypyridin-3-yl)carbamate, A-5903

tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate (CAS 1049677-54-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H16N2O4 and a molecular weight of 252.26600 g/mol. It is also known as (4-FORMYL-5-METHOXY-PYRIDIN-3-YL)-CARBAMIC ACID TERT-BUTYL ESTER, 3-N-BOC-AMINO-4-FORMYL-5-METHOXYPYRIDINE and 3-N-Boc-Amino-4-formyl-5-methoxypyridine. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1049677-54-4
Jingsj CID
J-1355230-9
Molecular Formula
C12H16N2O4
Chinese Name
4-甲酰基-5-甲氧基吡啶-3-基氨基甲酸叔丁酯
Molecular Weight
252.26600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass252.11100
PSA77.52000
LogP2.32270

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 4-formyl-5-methoxypyridin-3-ylcarbamate?

The CAS number of tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate is 1049677-54-4.

What are the molecular formula and molecular weight of tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate?

tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate has molecular formula C12H16N2O4 and molecular weight 252.26600 g/mol.

Is tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate hazardous?

tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.

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

Last updated:

How to cite: Jingsj. "tert-Butyl 4-formyl-5-methoxypyridin-3-ylcarbamate (CAS 1049677-54-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355230-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.