NGD 94-1

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MedKoo CAT#: 532348

CAS#: 178928-68-2

Description: NGD 94-1 is a high affinity D4 receptor ligand. NGD 94-1 is selective over D1, D2, D3 and D5 receptors. NGD 94-1 displays antagonist activity at the human D4.2 receptor (Ki = 3.6 nM in transfected CHO cells) and exhibits agonist activity at the D4.4 receptor in HEK 293 cells.

Price and Availability

Size Price Shipping out time Quantity
10mg USD 335 2 Weeks
50mg USD 1085 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-10-22. Prices are subject to change without notice.

NGD 94-1, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 532348
Name: NGD 94-1
CAS#: 178928-68-2
Chemical Formula: C18H20N6
Exact Mass: 320.1749
Molecular Weight: 320.4
Elemental Analysis: C, 67.48; H, 6.29; N, 26.23

Synonym: NGD 94-1; NGD94-1; NGD-94-1.

IUPAC/Chemical Name: 2-[4-[(2-Phenyl-1H-imidazol-5-yl)methyl]-1-piperazinyl]-pyrimidine


InChi Code: InChI=1S/C18H20N6/c1-2-5-15(6-3-1)17-21-13-16(22-17)14-23-9-11-24(12-10-23)18-19-7-4-8-20-18/h1-8,13H,9-12,14H2,(H,21,22)


Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Gazi L, Sommer B, Nozulak J, Schoeffter P. NGD 94-1 as an agonist at human recombinant dopamine D4.4 receptors expressed in HEK293 cells. Eur J Pharmacol. 1999 May 21;372(3):R9-10. PubMed PMID: 10395031.

2: Lahti RA, Roberts RC, Cochrane EV, Primus RJ, Gallager DW, Conley RR, Tamminga CA. Direct determination of dopamine D4 receptors in normal and schizophrenic postmortem brain tissue: a [3H]NGD-94-1 study. Mol Psychiatry. 1998 Nov;3(6):528-33. PubMed PMID: 9857979.

3: Tallman JF. NGD 94-1: a specific dopamine-4-receptor antagonist. Adv Pharmacol. 1998;42:490-2. PubMed PMID: 9327946.

4: Primus RJ, Thurkauf A, Xu J, Yevich E, McInerney S, Shaw K, Tallman JF, Gallagher DW. II. Localization and characterization of dopamine D4 binding sites in rat and human brain by use of the novel, D4 receptor-selective ligand [3H]NGD 94-1. J Pharmacol Exp Ther. 1997 Aug;282(2):1020-7. PubMed PMID: 9262371.

5: Tallman JF, Primus RJ, Brodbeck R, Cornfield L, Meade R, Woodruff K, Ross P, Thurkauf A, Gallager DW. I. NGD 94-1: identification of a novel, high-affinity antagonist at the human dopamine D4 receptor. J Pharmacol Exp Ther. 1997 Aug;282(2):1011-9. PubMed PMID: 9262370.