HomeMCPWorkbenchSkills
HomeWorkbenchNotificationsMe
Huagongshe Open Program:[email protected]AI access: llms.txt · MCP GuidePrivacy Policy · Terms of Service · Supportv1.7.8
  1. Home
  2. /Compound

2-Pyrazinecarboxamide, 3,4-dihydro-3-oxo-

HCID 294642
NotesReactions
Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
55321-99-8
Standard SMILES
NC(=O)c1ncc[nH]c1=O
InChIKey
SZPBAPFUXAADQV-UHFFFAOYSA-N
Molecular formula
C5H5N3O2
Average molar mass
139.11 g/mol
Monoisotopic mass
139.0381764

Names & identifiers

Preferred name
2-Pyrazinecarboxamide, 3,4-dihydro-3-oxo-
IUPAC
2-oxo-1H-pyrazine-3-carboxamide
English name
3-Hydroxypyrazine-2-carboxamide
Molecular formula
C5H5N3O2
Molecular weight
139.11

Names & synonyms

3-Hydroxypyrazine-2-carboxamide55321-99-8Pyrazinecarboxamide, 3,4-dihydro-3-oxo-3-Hydroxy-2-pyrazinecarboxamide3,4-Dihydro-3-oxo-2-pyrazinecarboxamide5R3A375F7ANSC-1635032-Pyrazinecarboxamide, 3,4-dihydro-3-oxo-NSC 163503RefChem:483322676-589-9T-1105
Show more names
Favipiravir Impurity(3-BROMOPYRIDIN-4-...T-1105, 10 mM in DMSOFavipiravir intermediate3-Hydroxypyrazine-2-carboxamide>
2-oxo-1H-pyrazine-3-carboxamide3-Oxo-3,4-dihydropyrazine-2-carboxamideMFCD00233977Pyrazine-2-carboxamide, 3-hydroxy-NSC163503Favipiravir Impurity 30Favipiravir Desfluoro Impurity3-HYDROXYPYRAZINE-2-CARBOXAMINE

Database identifiers

CAS
55321-99-8
PubChem CID
294642
DTXSID
DTXSID10203888
ChEMBL
CHEMBL4167765
UNII
5R3A375F7A
EC Number
676-589-9
Nikkaji
J2.688.932D、J3.779.007I

Properties

Computed structural properties

XLogP
-0.9
Topological polar surface area
84.6 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
3
Rotatable bonds
1
Heavy atoms
10
Formal charge
0
Complexity
241

Physicochemical properties

Melting point
270 ℃ · ca 270℃
Density
1.63 · 1.63±0.1 g/cm3(Predicted)
storage temp.
Sealed in dry,Room Temperature
solubility
DMSO (Slightly), Aqueous Base (Slightly)
form
Solid
pka
10.69 · 10.69±0.40(Predicted)
color
Pale Brown to Brown
λmax
348 nm · 348nm(lit.)
Stability
Hygroscopic
InChI
InChI=1S/C5H5N3O2/c6-4(9)3-5(10)8-2-1-7-3/h1-2H,(H2,6,9)(H,8,10)
InChIKey
SZPBAPFUXAADQV-UHFFFAOYSA-N
SMILES
C1(C(N)=O)=NC=CNC1=O
FDA UNII
5 R3A375F7A · 5R3A375F7A
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
315 · H315-H319-H335

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 7 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesSkin Irrit. 2 (100%)

Safety data

hs_code
29339900
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
safety_code
26-37
Hazard statements
H315-H319-H335
Precautionary statements
P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Chemistry & industry

Applications · 1 item

UsesApart from biological importance of pyridine-2-carboxamide (picolinamide, pia) as well as of its derivatives such as 3-hydroxypyridine-2-carboxamide (3-OHpia), as ligands they have found their extensive application in coordina- tion chemistry in crystal engineering .

Upstream & downstream products

Upstream raw materials

1,2-Ethenediylbis(oxy) (9CI)2-aminopropanediamideAmmoniaHydrogen peroxide

Downstream products

2-Pyrazinecarbonitrile, 6-fluoro-3,4-dihydro-3-oxo-3-Chloropyrazine-2-carbonitrile

Suppliers100 total

国药集团化学试剂有限公司86-21-63210123 · [email protected]
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
武汉英诺医药科技有限公司+86-027-59232304 15387063101 · [email protected]
成都超九八生物科技有限公司13348960310 13348960310 · [email protected]

Related reactions

0 records
New reaction record

No reaction records under the current filter.

Compound notes

Loading…

On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Precautionary statements
261 · P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-37
HS Code
29339900 · 29339900
怀化元研达生物技术有限责任公司18711085600 · [email protected]
合肥翰刚医药科技有限公司+8618062405514 · [email protected]
广州隽沐生物科技股份有限公司020-36607679; 13502246435 · [email protected]
苏州启航生物科技有限公司18151111370 · [email protected]
上海凌凯科技股份有限公司58950110 13124863828 · [email protected]
上海瀚麟生物科技有限公司183-0212-4410 18302124410 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
上海弘顺生物科技有限公司15901914505 · [email protected]
科瑞迪化学400-821-5857 021-64326257 · [email protected]
韶远科技(上海)有限公司4000665055 · [email protected]
上海迈瑞尔生化科技有限公司4006356688 18621169109 · [email protected]
南部县诚信科技有限公司0838-5675166 15883665058 · [email protected]
阿法埃莎(中国)化学有限公司400-6106006 · [email protected]
江苏弘和药物研发有限公司5108538618 · [email protected]
安耐吉化学&3A(安徽泽升科技股份有限公司)400-0056266 · [email protected]
常州科化生物科技有限公司0519-68985668 13685222090 · [email protected]
南京圣亿来化工有限公司19951936396 · [email protected]
Pure Chemistry Scientific Inc.001-857-928-2050 or 1-888-588-9418 · [email protected]
上海泰坦科技股份有限公司4006009262 13023226327 · [email protected]
上海常丰生物医药科技有限公司+86-021-61727342 13611721451 · [email protected]
大赛璐药物手性技术(上海)有限公司021-50460086-9 15921403865 · [email protected]
玛雅试剂+86 (573) 82222445 (0)18006601000 452520369 · [email protected]
四川库利南科技有限公司400-1166-196 18981987031 · [email protected]
天津希恩思生化科技有限公司400 638 7771 · [email protected]
Hebei Qige Biological Technology Co. Ltd+86 +8618733132031
白银康寓信生物科技有限公司0943-8293106 · [email protected]
上海赢瑞生物医药科技有限公司21-33585366 13311639313 · [email protected]
TCI AMERICA800-4238616 · [email protected]
TOKYO CHEMICAL INDUSTRY CO., LTD.03-36680489 · [email protected]
TCI Europe320-37350700 · [email protected]
台州南峰药物研究所[email protected] 13127117265 · [email protected]
深圳康特腾科技有限公司86-0755-86635001 · [email protected]
越林试剂021-62960152 · [email protected]
镇江卡博医药科技有限公司0511-81886918 18136818960 · [email protected]
凯诺医药技术有限公司+86-18921203887 · [email protected]
Xunteng International Trading Co.,Limited—
上海贺康生物技术有限公司17721021104 18939837085 · [email protected]
上海毕得医药科技股份有限公司400-164-7117 18317119277 · [email protected]
成都零六生物科技有限公司400-1166-196 13458535857 · [email protected]
湖南华腾制药有限公司400-8592883 15367835770 · [email protected]
南京法斯特生物医药有限公司025-58390181 58390186 18912901218 · [email protected]
上海永叶生物科技有限公司86-021-61559134 15921386130 · [email protected]
南京恰风和医药科技有限公司025-57018978 18251899859 · [email protected]
江苏艾康生物医药研发有限公司025-66028182 17714375163 · [email protected]
凯试(上海)科技有限公司021-50135380 · [email protected]