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Merck
CN

P6500

Sigma-Aldrich

Pentylenetetrazole

≥99% (GC), powder, CNS stimulant

Synonym(s):

α,β-Cyclopentamethylenetetrazole, 1,5-Pentamethylenetetrazole, 6,7,8,9-Tetrahydro-5H-tetrazolo[1,5-a]azepine, Metrazole

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About This Item

Empirical Formula (Hill Notation):
C6H10N4
CAS Number:
54-95-5
Molecular Weight:
138.17
EC Number:
200-219-3
MDL number:
MFCD00005939
UNSPSC Code:
12352200
PubChem Substance ID:
24278643
NACRES:
NA.77

Key Documents

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Product Name

Pentylenetetrazole,

form

powder

Quality Level

100

bp

194 °C/12 mmHg (lit.)

mp

59-61 °C (lit.)

storage temp.

−20°C

SMILES string

C1CCc2nnnn2CC1

InChI

1S/C6H10N4/c1-2-4-6-7-8-9-10(6)5-3-1/h1-5H2

InChI key

CWRVKFFCRWGWCS-UHFFFAOYSA-N

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General description

Pentylenetetrazole (PTZ) is a tetrazole derivative and inhibitor of the γ aminobutyric acid (GABAA) and its receptor complex. PTZ is a convulsing agent used for inducing seizures. It can traverse the blood-brain barrier.

Application

Pentylenetetrazole has been used to induce seizures in zebra fish larvae, mice, and male wistar rats.

Biochem/physiol Actions

Pentylenetetrazole is a non-specific central nervous system (CNS) stimulant and convulsant. PTZ induces oxidative stress and increases cortical malondialdehyde content and affects hippocampus, resulting in seizures.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301,H315,H319,H335

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX5352
MKCW6132
MKCT1250
MKCS5163
MKCR2882

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. How do I solubilize Product P6500, Pentylenetetrazole?

    We test the solubility of this compound at a concentration of 50 mg/mL in water.

  6. What is the solution stability for Product P6500, Pentylenetetrazole?

    We do not have any solution stability information for this product.  It is always best to make a fresh solution. If this is not possible, you can try storing solution in single use aliquots at -20°C.

  7. Can Product P6500, Pentylenetetrazole, be used to induce convulsions?

    Pentylenetetrazole induced convulsions have been reported by De Sarro G. et al., in Eur. J. Pharmacol., 368(2-3),149-159 (1999).

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Perineuronal net degradation in epilepsy
Rankin-Gee EK, et al.
Epilepsia, 56(7), 1124-1133 (2015)
Mehwish Anwer et al.
Scientific reports, 9(1), 11819-11819 (2019-08-16)
Traumatic brain injury (TBI) causes neuroendocrine dysregulation in up to 40% of humans, which is related to impaired function of the hypothalamo-hypophyseal axis and contributes to TBI-related co-morbidities. Our objective was to investigate whether hypophyseal atrophy can be recapitulated in
Optical mapping of neuronal activity during seizures in zebrafish
Turrini L, et al.
Scientific reports, 7(1), 3025-3025 (2017)
Central nervous system uptake kinetics of pentylenetetrazol in the developing rat
Haberer LJ and Pollack GM
Biopharmaceutics & Drug Disposition, 12(1), 59-71 (1991)
Tatiana Afrikanova et al.
PloS one, 8(1), e54166-e54166 (2013-01-24)
Zebrafish have recently emerged as an attractive in vivo model for epilepsy. Seven-day-old zebrafish larvae exposed to the GABA(A) antagonist pentylenetetrazol (PTZ) exhibit increased locomotor activity, seizure-like behavior, and epileptiform electrographic activity. A previous study showed that 12 out of
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