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

MedKoo CAT#: 463280

CAS#: 21623-11-0

Description: Isozeatin is an internal standard for cytokinin analyses.

Chemical Structure

CAS# 21623-11-0

Theoretical Analysis

MedKoo Cat#: 463280
Name: Isozeatin
CAS#: 21623-11-0
Chemical Formula: C10H13N5O
Exact Mass: 219.112
Molecular Weight: 219.248
Elemental Analysis: C, 54.78; H, 5.98; N, 31.94; O, 7.30

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Isozeatin; E-Isozeatin; E Isozeatin;

IUPAC/Chemical Name: (E)-4-((1H-purin-6-yl)amino)-3-methylbut-2-en-1-ol


InChi Code: InChI=1S/C10H13N5O/c1-7(2-3-16)4-11-9-8-10(13-5-12-8)15-6-14-9/h2,5-6,16H,3-4H2,1H3,(H2,11,12,13,14,15)/b7-2+


Appearance: Solid powder

Purity: >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).

Solubility: Soluble in DMSO

Shelf Life: >3 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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 219.248 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

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Reconstitution Calculator

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Dilution Calculator

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1: Stafford AE, Corse J, Lyman M, Metzner KE. E-isozeatin and cis-norzeatin riboside as internal standards for cytokinin analyses. J Chromatogr. 1988 Jan 29;436(1):93-9. doi: 10.1016/s0021-9673(00)94570-9. PMID: 3372662.

2: Schmitz RY, Skoog F. Cytokinins: synthesis and biological activity of geometric and position isomers of zeatin. Plant Physiol. 1972 Dec;50(6):702-5. doi: 10.1104/pp.50.6.702. PMID: 16658247; PMCID: PMC366220.