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ChemicalBook >> CAS DataBase List >> Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione

Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione

Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione price.
  • $23 - $3402.63
  • Product name: Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione
  • CAS: 21038-67-5
  • MF: C7H5N3O2
  • MW: 163.13
  • EINECS:
  • MDL Number:MFCD07438024
  • Synonyms:1H,2H,3H,4H-pyrido[2,3-d]pyriMidine-2,4-dione;2,4-Dihydroxypyrido[3,4-d]pyrimidine;1H-pyrido[3,4-d]pyrimidine-2,4-dione;1H,2H,3H,4H-Pyrido[3,4-d]pyrimidine-2,4-dione;Pyrido[3,4-d]pyrimidine-2,4(1h,3h)-dione 95%;Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione - [P71315];pyrido[3,4-d]pyriMidine-2,4-diol;Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione
Price47 Properties Safety Information Description
47 prices
Selected condition：
Brand
  • aablocks
  • Abosyn
  • ACHEMBLOCK
  • Acints
  • Advanced Chemicals Intermediat
  • AK Scientific
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Biosynth
  • BroadPharm
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • SynQuest Laboratories
  • Synthonix
  • TRC
Package
  • 50mg
  • 100mg
  • 250mg
  • 250.00mg
  • 0.25g
  • 0.5g
  • 500mg
  • 1.00g
  • 1g
  • 5g
  • 5.00g
  • 10g
  • 25g
  • 1000g
  • Manufactureraablocks
  • Product numberAA002KOF
  • Product descriptionPyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 98%
  • Packaging250mg
  • Price$23
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002KOF
  • Product descriptionPyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 98%
  • Packaging1g
  • Price$62
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002KOF
  • Product descriptionPyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95%
  • Packaging25g
  • Price$1198
  • Updated2026-05-28
  • Buy
  • ManufacturerAbosyn
  • Product number61-1524
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches)
  • Packaging0.25g
  • Price$81
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number61-1524
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches)
  • Packaging0.5g
  • Price$114
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number61-1524
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches)
  • Packaging1g
  • Price$159
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number61-1524
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches)
  • Packaging5g
  • Price$477
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number61-1524
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches)
  • Packaging10g
  • Price$667
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number61-1524
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches)
  • Packaging25g
  • Price$1168
  • Updated2026-05-21
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW172395
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95%
  • Packaging5G
  • Price$500
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW172395
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95%
  • Packaging25G
  • Price$1495
  • Updated2026-05-27
  • Buy
  • ManufacturerAcints
  • Product numberACI-BNW-03131
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95%
  • Packaging1g
  • Price$520
  • Updated2026-05-20
  • Buy
  • ManufacturerAcints
  • Product numberACI-BNW-03131
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95%
  • Packaging5g
  • Price$1060
  • Updated2026-05-20
  • Buy
  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-BNW-03131
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95%
  • Packaging5g
  • Price$1060
  • Updated2026-05-19
  • Buy
  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-BNW-03131
  • Product descriptionpyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95%
  • Packaging1g
  • Price$520
  • Updated2026-05-19
  • Buy
  • ManufacturerAK Scientific
  • Product numberW4397
  • Product descriptionPyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione
  • Packaging1g
  • Price$1263
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002KOF Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 98% 250mg $23 2026-05-28 Buy
aablocks AA002KOF Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 98% 1g $62 2026-05-28 Buy
aablocks AA002KOF Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95% 25g $1198 2026-05-28 Buy
Abosyn 61-1524 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches) 0.25g $81 2026-05-21 Buy
Abosyn 61-1524 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches) 0.5g $114 2026-05-21 Buy
Abosyn 61-1524 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches) 1g $159 2026-05-21 Buy
Abosyn 61-1524 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches) 5g $477 2026-05-21 Buy
Abosyn 61-1524 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches) 10g $667 2026-05-21 Buy
Abosyn 61-1524 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione >95%(Puritymayvarybetweenbatches) 25g $1168 2026-05-21 Buy
ACHEMBLOCK W172395 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95% 5G $500 2026-05-27 Buy
ACHEMBLOCK W172395 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95% 25G $1495 2026-05-27 Buy
Acints ACI-BNW-03131 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95% 1g $520 2026-05-20 Buy
Acints ACI-BNW-03131 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95% 5g $1060 2026-05-20 Buy
Advanced Chemicals Intermediat ACI-BNW-03131 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95% 5g $1060 2026-05-19 Buy
Advanced Chemicals Intermediat ACI-BNW-03131 pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 95% 1g $520 2026-05-19 Buy
AK Scientific W4397 Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione 1g $1263 2021-12-16 Buy
Next Last

Properties

Melting point :>320 °C
Density :1.424±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
pka :9.01±0.20(Predicted)
Appearance :Off-white to gray Solid

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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Suppliers and manufacturers

Capot Chemical Co., Ltd Shangchem Co., Ltd. Pure Chemistry Scientific Inc. Nanjing Norris-Pharm Technology Co., Ltd Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. Shanghai Witofly Chemical Co.,Ltd Shanghai Raise Chemical Technology Co.,Ltd Shanghai Huikai Chemical Technology Co., Ltd. Shanghai Worldyang Chemical Co.,Ltd. Jiaxing Novartis Chemical Co., Ltd.