Cas no 6623-81-0 (5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione)

5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione structure
6623-81-0 structure
Product Name:5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione
CAS No:6623-81-0
MF:C5H6N2O3
MW:142.1127409935
MDL:MFCD03428618
CID:46888
PubChem ID:253661120
Update Time:2025-09-27

5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione Chemical and Physical Properties

Names and Identifiers

    • 2,4-Dihydroxy-5-methoxypyrimidine
    • 5-Methoxyuracil
    • 5-Methoxy-2,4-Pyrimidinediol
    • 5-methoxy-1H-pyrimidine-2,4-dione
    • 5-METHOXY-2,4-DIHYDROXY PYRIMIDINE
    • C5H6N2O3
    • 2,4(1H,3H)-Pyrimidinedione, 5-methoxy
    • 5-methoxypyrimidine-2,4-diol
    • 5-methoxypyrimidine-2,4(1H,3H)-dione
    • 5-Methoxy-2,4-dihydroxypyrimidine
    • 5-METHOXYPYRIMIDINE-2,4-DIONE
    • 79DD14XTQR
    • 2,4(1H,3H)-pyrimidinedione, 5-methoxy-
    • 5-Methoxy Uracil
    • NSC55452
    • methoxypyrimidinediol
    • PubChem7099
    • PubChem7100
    • 5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione
    • SY021296
    • AM20100604
    • 6623-81-0
    • DTXSID20216424
    • L10025
    • AC-25256
    • FLUOROURACIL IMPURITY D [EP IMPURITY]
    • A8944
    • 5-Methoxy-2,4-pyrimidinedione
    • AO-324/25087001
    • UNII-79DD14XTQR
    • EN300-85913
    • SCHEMBL102177
    • 5-Methoxy-pyrimidine-2,4-diol
    • SB57433
    • Q27266752
    • W-203452
    • NSC-55452
    • W-202959
    • 5-methoxypyrimidine-2,4-diol;5-Methoxy-2,4-pyrimidinedione
    • NSC 55452
    • URACIL, 5-METHOXY-
    • AKOS005254714
    • 5-Methoxypyrimidine-2,4(1H,3H)-dione (5-Methoxyuracil)
    • 2,4-Dihydroxy-5-Methoxy Pyrimidine
    • KELXHQACBIUYSE-UHFFFAOYSA-N
    • FT-0601165
    • 5-(Methoxy)-2,4(1H,3H)-pyrimidinedione
    • CS-D0616
    • EINECS 229-580-5
    • MFCD00187903
    • BCP13246
    • Z1198162869
    • AKOS005073641
    • 5-methoxy-2,4(1H,3H)-pyrimidinedione
    • D4599
    • SS-2971
    • MFCD03428618
    • GS-6607
    • InChI=1/C5H6N2O3/c1-10-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9
    • 1882546-41-9
    • NS00035985
    • DB-026354
    • BBL100647
    • STL554441
    • DTXCID20138915
    • FLUOROURACIL IMPURITY D (EP IMPURITY)
    • MDL： MFCD03428618
    • Inchi： 1S/C5H6N2O3/c1-10-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)
    • InChI Key： KELXHQACBIUYSE-UHFFFAOYSA-N
    • SMILES： O(C)C1=CNC(NC1=O)=O

Computed Properties

  • Exact Mass: 142.03800
  • Monoisotopic Mass: 142.03784206g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 1
  • Complexity: 209
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: -0.8
  • Topological Polar Surface Area: 67.4
  • Surface Charge: 0
  • Tautomer Count: 9

Experimental Properties

  • Color/Form: White to Yellow Solid
  • Melting Point: 344°C(lit.)
  • PSA: 74.95000
  • LogP: -0.92820

5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione Security Information

5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione Customs Data

  • HS CODE：2933599090
  • Customs Data：

    China Customs Code:

    2933599090

    Overview:

    2933599090. Other compounds with pyrimidine ring in structure(Including other compounds with piperazine ring on the structure. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933599090. 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%

5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione Pricemore >>

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5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione Suppliers

Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:6623-81-0)5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione
Order Number:A8944
Stock Status:in Stock
Quantity:500g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 11:47
Price ($):211.0
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:6623-81-0)5-甲氧基-2,4-二羥基嘧啶
Order Number:LE26960362
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 13:00
Price ($):discuss personally

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Amadis Chemical Company Limited
(CAS:6623-81-0)5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione
A8944
Purity:99%
Quantity:500g
Price ($):211.0
Email
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:6623-81-0)5-甲氧基-2,4-二羥基嘧啶
LE26960362
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
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