Chemical Compound

2503-56-2

CAS Registry Number 2503-56-2
2503-56-2 chemical structure
Primary Record

2503-56-2

In stock
1,890 g
Purity
98.9 %
CAS
2503-56-2

Compound Identifiers & Properties

CAS
2503-56-2
PubChem CID
75629
SMILES
CC1=CC(=O)N2C(=N1)N=CN2
Canonical SMILES
Cc1cc(=O)n2[nH]cnc2n1

Names & Synonyms

  • 2503-56-2
  • 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol
  • 7-Hydroxy-5-methyl-1,3,4-triazaindolizine
  • Methyl hydroxytriazaindolizine
  • Trapidil impurity A
  • Trapidil EP Impurity A
  • C6H6N4O
  • 35523-67-2
  • toslab 29980
  • Trapidil impurity A CRS
  • AC1Q2HCI
  • AC1Q2PFQ
  • AC1Q6BXE
  • Maybridge1_002273
  • RefChem:391240
  • J13JT2L1BY
  • MFCD00005555
  • NSC 32071
  • UNII-J13JT2L1BY
  • AC1L2P6G
  • MLS000038744
  • EINECS 219-706-7
  • s-Triazolo[1, 5-methyl-
  • ZUIVNYGZFPOXFW-UHFFFAOYSA-N
  • NCIOpen2_003740
  • Trapidil interMediate product
  • CHEMBL1717603
  • cid_75629
  • MLS000541721
  • NSC 511493
  • SCHEMBL272835
  • 5-methyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one
  • 5-Methyl-7-hydroxy-1,3,4-triazaindolizine
  • 5-Methyl[1,2,4]triazolo[1,5-a]pyrimidin-7-ol
  • INVVMIXYILXINW-UHFFFAOYSA-N
  • NSC 2603562
  • 5-Methyl-s-triazolo(1,5-a)pyrimidin-7-ol
  • Jsp004977
  • CHEMBL5858503
  • DTXSID2074035
  • DTXSID8051918
  • NSC32071
  • SCHEMBL15083750
  • SCHEMBL30689921
  • [1,2,4]Triazolo[1,5-a]pyrimidin-7-ol, 5-methyl-
  • BDBM56006
  • CTK1C3949
  • CTK3J6995
  • CTK6B4215
  • HMS547P07
  • 7-Hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine
  • CC-PMLSC-PW-03AACA011
  • MFCD01545501
  • NSC-32071
  • NSC511493
  • s-Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-
  • BDBM492402
  • C6-H6-N4-O
  • HMS1664K09
  • HMS2561C07
  • NSC-511493
  • ALBB-031651
  • CID75629
  • KS-000013IW
  • ZERO/005161
  • 5-Methyl-1,2,4-triazolo[1,5-a]pyrimidin-7-ol
  • UPDDI-00398590
  • 5-methyl-4H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one
  • 5-METHYL-S-TRIAZOLO[1,5-A]PYRIMIDIN-7-OL
  • ANW-41900
  • AR-1G8742
  • BTB 10447
  • CCG-52856
  • EBC-13310
  • SBB013197
  • STK324860
  • STK676258
  • STK741622
  • ZINC17992563
  • SMR000034070
  • US10975084, Example 8-4
  • 4-hydroxy-6-methyl-1,3,3a,7-tetraazaindene
  • 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
  • AKOS000121606
  • AKOS000266637
  • AKOS005363133
  • AKOS015918168
  • ZINC100018464
  • 5-methyl[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one
  • EBC-115021
  • NE10406
  • NSC2603562
  • RP01646
  • SDCCGMLS-0000503.P002
  • VZ30451
  • 5-Methyl-(1,2,4)triazolo(1,5-a)pyrimidin-7-ol
  • 5-Methyl-7-hydroxy-1,3,4-triazindolizine
  • 7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine
  • NCGC00020700-01
  • NCGC00020700-02
  • NCGC00020700-03
  • (1,2,4)Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-
  • 1-Carboxymethyl-8-phenyl-cyclooctatetraen
  • 5-methyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one
  • 5-methyl-7-hydroxy-1,2,4-triazolo[1,5-a]pyrimidine
  • 5-Methyl-7-hydroxy-1,4-triazaindolizine
  • AJ-70220
  • AM807111
  • AN-21673
  • AS-15617
  • BAS 00313035
  • BB018716
  • J41.453K
  • Q052
  • ST073343
  • SY036135
  • TRAPIDIL IMPURITY A [EP IMPURITY]
  • 5-a)pyrimidin-7-ol,5-methyl-s-triazolo(
  • 5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one
  • 5-methyl-s-trazolo[1,5-]pyrimidin-7-ol
  • 6-Methyl-4-oxo-1,3,3a,7-tetrazaindene
  • 7-HYDROXY-5-MTHL-1,3,4-TRIAZA
  • 112801-35-1
  • AB0017369
  • DB-046607
  • DB-153125
  • J642.252G
  • LS-156814
  • RT-003426
  • [1,2,4]Triazolo[1,5-a]pyrimidin-7(1H)-one, 5-methyl-
  • 5-hydroxy-7-methyl-1,3,8-triazaindolizine
  • 5-Methyl-s-triazolo[1,5-a]pyrimidine-7-ol
  • CS-0081100
  • FT-0621425
  • H0273
  • H3813
  • NS00045880
  • ST24029529
  • Y6195
  • 5-Methyl-(1,2,4)triazolo(1,5-a)pyrimidin-7(1H)-one
  • 5-Methyl-s-triazolo-(1.5)-pyrimidine-7-ol
  • EN300-25051
  • 4-hydroxy-6-methyl-1,3,3a,7-tetraza-indene
  • 6-Methyl-1,3,3a,7-tetraaza-3aH-inden-4-ol
  • H57369
  • s-Triazolo[1,5-a]pyrimidin-7-ol, 5-methyl-
  • (1,2,4)Triazolo(1,5-a)pyrimidin-7(1H)-one, 5-methyl-
  • 1,2,4Triazolo1,5-apyrimidin-7-ol, 5-methyl-
  • 5-Methyl-7-hydroxy-s-triazolo[1,5-a]pyrimidine
  • 2,4)triazolo(1,5-a)pyrimidin-7-ol,5-methyl-(
  • 2,4]triazolo[1,5-a]pyrimidin-7-ol,5-methyl-[
  • 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one
  • 5-methyl[1,2,4]triazolo[1,5-a]pyrimidin-7(1h)-one
  • 5-methyl[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
  • 5-Methyl[1,2,4]triazolo[2,3-a]pyrimidine-7-ol
  • A817616
  • F226261
  • Pyrimidin-7-ol, 5-methyl-S-triazolo-[1,5-a]-
  • SR-01000525938
  • [1,2,4]Triazolo[1,5-a]pyrimidin-7-ol,5-methyl-
  • [1,4]Triazolo[1,5-a]pyrimidin-7-ol, 5-methyl-
  • 2,4]triazolo[1,5-a]pyrimidin-7-ol,5-methyl-[1
  • 4-Hydroxy-6-methyl-1,3,3a,7-tetraaza-3aH-indene
  • 5-methyl-7-oxo-(1,2,4)triazolo(1,5-a)pyrimidine
  • 5-Methyl[1,2,4]triazolo[1,5-a]pyrimidin-7-ol #
  • A1085853
  • I14-8470
  • s-Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-(8CI)
  • SR-01000525938-1
  • SR-01000525938-2
  • 5-Methyl-1,3,4,7a-tetraaza-7aH-indene-7(4H)-one
  • 7-Hydroxy-5-methyl-1,2,4-triazolo[1,5-a]pyrimidine
  • Z57722870
  • 3886-55-3
  • 5-METHYL(1,2,4)TRIAZOLO(1,5-A)PYRIMIDIN-7-OL
  • 5-methyl-1,2,4-triazolo[1,5-a]pyrimidin-7(4h)-one
  • F0451-0049
  • F0907-7614
  • 1,2,4-Triazolo[1,5-a]pyrimidin-7(1H)-one, 5-methyl-
  • 4-methyl-1,5,7,9-tetrazabicyclo[4.3.0]nona-3,5,7-trien-2-one
  • 4H-[1,2,4]Triazolo[1,5-a]pyrimidin-7-one, 5-methyl-
  • 5-methyl-[1,2,4]triazolo[1,5- a]pyrimidin-7(4H)-one
  • A2204/0092809
  • 4,7-dihydro-5-methyl-7-oxo[1,2,4]triazolo[1,5-a]pyrimidine
  • 5-METHYL-3H-[1,2,4]TRIAZOLO[1,5-A]PYRIMIDIN-7-ONE
  • 5-methyl-4,8-dihydro-1,2,4-triazolo[1,5-a]pyrimidin-7-one
  • 5-Methyl-7-hydroxy-S-triazolo-4-(1,5a)pyrimidine (Sta salz)
  • 7-Hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine, 98%
  • 7-methyl-4-hydro-1H-1,2,4-triazolino[1,5-a]pyrimidin-5-one
  • Trapidil impurity A, European Pharmacopoeia (EP) Reference Standard
  • 5-​Methyl-​4H-​[1,​2,​4]​triazolo[1,​5-​a]​pyrimidin-​7-​one
  • 7-\u200bHydroxy-\u200b5-\u200bmethyl1,\u200b2,\u200b4\u200btriazolo1,\u200b5-\u200ba\u200bpyrimidine
  • 74195-57-6
  • TAI
  • Trapidil Imp. A (EP); 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol; 5-Methyl-s-triazolo[1,5-a]pyrimidin-7-ol; 1,3,7-Triaza-4-hydroxy-6-methylindolizine; 4-Hydroxy-6-methyl-1,2,4-triazolo[2,3-a]pyrimidine; 4-Hydroxy-6-methyl-1,3,3a,7-tetraazaindene; 4-Hydroxy-6-methyl-1,3,3a,7-tetrazaindene; 5-Methyl-7-hydroxy-1,2,4-triazolo[1,5-a]pyrimidine; 5-Methyl-7-hydroxy-1,3,4-triazaindolizine; 5-Methyl-7-hydroxy-s-triazolo[1,5-a]pyrimidine; 6-Methyl-4-hydroxy-1,3,3a,7-tetraazaindene; 7-Hydroxy-5-methyl-1,3,4-triazaindolizine; 7-Hydroxy-5-methyl-s-triazolo[1,5-a]pyrimidine; NSC 32071; NSC 511493; Stabilizer 583; TAI; TAI (sensitizer); Trapidil Impurity A