Product Name

  • Name

    Pemirolast potassium

  • EINECS
  • CAS No. 100299-08-9
  • Article Data3
  • CAS DataBase
  • Density
  • Solubility Water (Slightly)
  • Melting Point 310-311 °C (dec.)
  • Formula C10H7KN6O
  • Boiling Point 454.8 °C at 760 mmHg
  • Molecular Weight 266.303
  • Flash Point 228.9 °C
  • Transport Information
  • Appearance crystalline solid
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 100299-08-9 (Pemirolast potassium)
  • Hazard Symbols
  • Synonyms Pemirolast potassium salt;TBX;TBX(pharmaceutical);4H-Pyrido[1,2-a]pyrimidin-4-one,9-methyl-3-(1H-tetrazol-5-yl)-, potassium salt (9CI);Alamast;Alegysal;BMY26517;Pemilaston;
  • PSA 77.97000
  • LogP -0.03120

Pemirolast potassium Specification

The Pemirolast potassium with CAS registry number of 100299-08-9 is also known as Pemirolast potassium salt. The IUPAC name is Potassium 9-methyl-3-(1,2,3-triaza-4-azanidacyclopenta-2,5-dien-5-yl)pyrido[1,2-a]pyrimidin-4-one. It belongs to product categories of Anti-Allergic; Bases & Related Reagents; Heterocycles; Intermediates & Fine Chemicals; Nucleotides; Pharmaceuticals. In addition, the formula is C10H7KN6O and the molecular weight is 266.30. This chemical is a crystalline solid. What's more, it can be used as a inhibitor of chemical mediator and antiallergic.

Physical properties about Pemirolast potassium are: (1)ACD/LogP: -0.02; (2)ACD/LogD (pH 5.5): -1.14; (3)ACD/LogD (pH 7.4): -1.98; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1.75; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 7; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 1; (11)Flash Point: 228.9 °C; (12)Enthalpy of Vaporization: 71.45 kJ/mol; (13)Boiling Point: 454.8 °C at 760 mmHg; (14)Vapour Pressure: 1.85E-08 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: CC1=CC=CN2C1=NC=C(C2=O)C3=NN=N[N-]3.[K+]
2. InChI: InChI=1S/C10H7N6O.K/c1-6-3-2-4-16-9(6)11-5-7(10(16)17)8-12-14-15-13-8;/h2-5H,1H3;/q-1;+1
3. InChIKey: NMMVKSMGBDRONO-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 oral > 6gm/kg (6000mg/kg)   Drugs in Japan Vol. -, Pg. 1259, 1995.
mouse LD50 intraperitoneal 511mg/kg (511mg/kg)   Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 23, Pg. 682, 1992.
mouse LD50 intravenous 220mg/kg (220mg/kg)   Japanese Kokai Tokyo Koho Patents. Vol. #95-69895,
mouse LD50 oral 1185mg/kg (1185mg/kg)   Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 23, Pg. 682, 1992.
mouse LD50 subcutaneous 543mg/kg (543mg/kg)   Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 23, Pg. 682, 1992.
rat LD50 intravenous 372mg/kg (372mg/kg)   Japanese Kokai Tokyo Koho Patents. Vol. #95-69895,
rat LD50 oral 687mg/kg (687mg/kg)   Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 23, Pg. 682, 1992.
rat LD50 subcutaneous 430mg/kg (430mg/kg)   Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 23, Pg. 682, 1992.

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