SN-38 (NK012)

This product is for research use only, not for human use. We do not sell to patients.

For small sizes, please check our retail website as below: www.invivochem.com

Size	Price	Stock
1g	$250	Check With Us
5g	$700	Check With Us
10g	$1050	Check With Us

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Cat #: V1397 CAS #: 86639-52-3 Purity ≥ 98%

Description: SN-38 (NK012; SN-38; NK-012; SN 38; 10-hydroxy-7-ethylcamptothecin) is the active metabolite of Irinotecan (CPT-11) which is a Topoisomerase I inhibitor approved for use as an anticancer drug.

References: Jensen NF, et al. Characterization of DNA topoisomerase I in three SN-38 resistant human colon cancer cell lines reveals a newpair of resistance-associated mutations. J Exp Clin Cancer Res. 2016 Mar 31;35:56.

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Physicochemical and Storage Information
Protocol
Related Biological Data
Stock Solution Preparation
Quality Control Documentation

Molecular Weight (MW)	392.4
Molecular Formula	C22H20N2O5
CAS No.	86639-52-3
Storage	-20℃ for 3 years in powder formr
Storage	-80℃ for 2 years in solvent
Solubility In Vitro	DMSO: 21 mg/mL (53.5 mM)r
	Water: <1 mg/mLr
	Ethanol: <1 mg/mL
Solubility In Vivo	Chemical Name: (S)-4,11-diethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione InChi Key: FJHBVJOVLFPMQE-QFIPXVFZSA-N InChi Code: InChI=1S/C22H20N2O5/c1-3-12-13-7-11(25)5-6-17(13)23-19-14(12)9-24-18(19)8-16-15(20(24)26)10-29-21(27)22(16,28)4-2/h5-8,25,28H,3-4,9-10H2,1-2H3/t22-/m0/s1 SMILES Code: O=C1[C@](O)(CC)C2=C(CO1)C(N3CC4=C(CC)C5=CC(O)=CC=C5N=C4C3=C2)=O
Synonyms	NK 012; SN38; NK-012; SN-38; NK012; SN 38; 10-hydroxy-7-ethylcamptothecin; irinotecan metabolite.

Protocol	In Vitro	The IC50 values for LoVo, HCT116, and HT29 cell lines is 20 nM, 50 nM, 130 nM, respectively. In all three SN-38 (NK012) resistant cell lines Top1 activity is maintained in the presence of high concentrations of SN-38

These protocols are for reference only. InvivoChem does not independently validate these methods.

Preparing Stock Solutions

Solvent volume to be added	Mass (the weight of a compound)
Mother liquor concentration	1mg	5mg	10mg	20mg
1mM	2.5484 mL	12.7421 mL	25.4842 mL	50.9684 mL
5mM	0.5097 mL	2.5484 mL	5.0968 mL	10.1937 mL
10mM	0.2548 mL	1.2742 mL	2.5484 mL	5.0968 mL
20mM	0.1274 mL	0.6371 mL	1.2742 mL	2.5484 mL

Quality Control Documentation	Select Batch Purity ≥ 98% COA MSDS NMR HPLC

The molarity calculator equation

Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)

Mass

Concentration

Volume

Molecular Weight*

The dilution calculator equation

Concentration_(start) × Volume_(start) = Concentration_(final) × Volume_(final)

This equation is commonly abbreviated as: C₁ V₁ = C₂ V₂

Concentration_(start)

Volume_(start)

Concentration_(final)

Volume_(final)

Step One: Enter information below

Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals

Step Two: Enter the in vivo formulation

%DMSO + % + %Tween 80 + %ddH₂O

Calculation Results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid concentration mg/mL) ,Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation: Take µL DMSO master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH₂O,mix and clarify.

Note:

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.