AB 163

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    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 571304

CAS#: 14984-65-7

Description: AB 163 is a TEPA analogue that has been tested for use in radiation therapy for patients with esophageal carcinoma; adenocarcinomas of the gastrointestinal tract; squamous carcinoma of the cervix; and adenocarcinoma of the ovary. The drug is proposed to phosphorylate X ray induced DNA strand damage, and prolongs time of the absence of disease in patients. There may side effects on the GI system and the central nervous system.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-04-01. Prices are subject to change without notice.

AB 163 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 571304
Name: AB 163
CAS#: 14984-65-7
Chemical Formula: C10H21N2O2P
Exact Mass: 232.1341
Molecular Weight: 232.2638
Elemental Analysis: C, 51.71; H, 9.11; N, 12.06; O, 13.78; P, 13.34

Synonym: AB 163; AB163; AB-163; NSC 108878; NSC-108878; NSC108878

IUPAC/Chemical Name: Bis(2,2-dimethyl-1-aziridinyl)phosphinic acid ethyl ester


InChi Code: InChI=1S/C10H21N2O2P/c1-6-14-15(13,11-7-9(11,2)3)12-8-10(12,4)5/h6-8H2,1-5H3

SMILES Code: O=P(N1C(C)(C)C1)(N2C(C)(C)C2)OCC

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: Wampler GL, Wassum JA, Belgrad R. Radiation potentiating effect of ethyl bis(2,2-dimethyl-1-aziridinyl) phosphinate (AB-163). Int J Radiat Oncol Biol Phys. 1979 Sep;5(9):1681-3. PubMed PMID: 536277.

2: Belgrad R, Wampler GL. A pilot study with ethyl bis (2,2-dimethyl-1-aziridinyl) phosphinate (AB-163) and radiation therapy. Int J Radiat Oncol Biol Phys. 1982 Jul;8(7):1219-23. PubMed PMID: 6811518.

3: Munson AE, Babbitt H, Chmielewicz ZF, Bardos TJ, Ambrus JL. Studies on the chemistry, antitumor activity, and pharmacology of ethyl di-(2,2-dimethyl)ethylenamido phosphate (AB-163). J Surg Oncol. 1969;1(2):167-80. PubMed PMID: 5406362.

4: Sreekumar E, Premraj A, Arathy DS, Rasool TJ. Identification, sequence characterization, and analysis of expression profiles of three novel CC chemokines from domestic duck (Anas platyrhynchos). Immunogenetics. 2005 Jun;57(5):364-73. Epub 2005 Apr 20. PubMed PMID: 15841394.

5: Wampler GL, Kuperminc M, Regelson W. Phase I study of ethylbis(2,2-dimethyl-1-aziridinyl) phosphinate (AB-163). Cancer Chemother Pharmacol. 1980;4(1):49-52. PubMed PMID: 7363402.

6: MacDiarmid JE, Rose WC, Biddle WC, Perlman ME, Breiner RG, Ambrus JL, Bardos TJ. Synthesis and properties of bis(2,2-dimethylaziridinyl)phosphinic amides: a series of new antineoplastic agents. J Med Chem. 1985 Nov;28(11):1685-91. PubMed PMID: 4067995.

7: Dunn JA, Bardos TJ. Comparative chemical and biological studies of four prototype phosphoraziridine antineoplastic agents. Biochem Pharmacol. 1991 Mar 15-Apr 1;41(6-7):885-92. PubMed PMID: 2009083.