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6-Amino-1-methyl-5-nitrosouracil

Also known as: 6-Amino-1-methyl-5-nitrosopyrimidine-2,4(1H,3H)-dione, 6-amino-1-methyl-5-nitrosopyrimidine-2,4-dione, 6-Amino-1-methyl-5-nitroso-2,4(1H,3H)-pyrimidinedione, 6-amino-1-methyl-5-nitroso-1H-pyrimidine-2,4-dione, 3-Methyl-4-amino-5-nitrosouracil

6-Amino-1-methyl-5-nitrosouracil (CAS 6972-78-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N4O3 and a molecular weight of 170.126 g/mol. Key properties include a melting point of >300ºC(lit.) and a density of 1.8±0.1 g/cm3. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
6972-78-7
Jingsj CID
J-4592-1
Molecular Formula
C5H6N4O3
Molecular Weight
170.126 g/mol
Category
Pharma Intermediates
Last updated
11/3/2026

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Physicochemical Properties

Melting Point>300ºC(lit.)
Density1.8±0.1 g/cm3
Exact Mass170.043991
PSA110.31000
LogP-1.53
Refractive Index1.742

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 6-Amino-1-methyl-5-nitrosouracil?

The CAS number of 6-Amino-1-methyl-5-nitrosouracil is 6972-78-7.

What are the molecular formula and molecular weight of 6-Amino-1-methyl-5-nitrosouracil?

6-Amino-1-methyl-5-nitrosouracil has molecular formula C5H6N4O3 and molecular weight 170.126 g/mol.

Is 6-Amino-1-methyl-5-nitrosouracil hazardous?

6-Amino-1-methyl-5-nitrosouracil has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 6-Amino-1-methyl-5-nitrosouracil?

For 6-Amino-1-methyl-5-nitrosouracil, Upstream Products: 6-Amino-1-methyluracil, 1-Acetyl-3-methylurea, 2-cyano-N-[(methylamino)carbonyl]acetamide; Downstream Products: Theobromine, 5,6-Diamino-1-methyluracil, 3-Methylxanthine.

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

Last updated:

How to cite: Jingsj. "6-Amino-1-methyl-5-nitrosouracil (CAS 6972-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4592-1 (accessed 2026-11-09).

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