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SG3199

Alias: SG-3199 SG 3199 SG3199
Cat No.:V14712 Purity: ≥98%
SG3199 is a PBD dimer which binds in the minor groove of DNA, and forms covalent DNA interstrand cross-links in naked linear plasmid DNA.
SG3199
SG3199 Chemical Structure CAS No.: 1595275-71-0
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
Other Sizes
Official Supplier of:
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Product Description

SG3199 is a PBD dimer which binds in the minor groove of DNA, and forms covalent DNA interstrand cross-links in naked linear plasmid DNA. SG3199 is potently cytotoxic against a panel of human solid tumour and haematological cancer cell lines.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
SG3199 exhibits strong cytotoxicity, with an average GI50 of 151.5 pM, against a range of solid tumors and blood DNA lines in humans. Cells lacking homologous recombination repair (HRR) or the DNA repair protein ERCC1 are weighted higher at SG3199, which is only multidrug-general. Cross-linking in dosage is seen in cells, and SG3199 produces DNA interstrand cross-linking mechanisms in bare linear DNA [1].
ln Vivo
At doses of 0.8, 5, and 50 ng/mL, the antibiotic binding of [3H]-SG3199 with adjuvant (Sprague Dawley), monkey, and human antibiotics was measured. All species have comparable rates of antibiotic binding: 97% in humans, 90% in cynomolgus monkeys, and 95% in other species [1]. After receiving intravenous infusion at 0.1 μg/kg, 0.5 μg/kg, and 1 μg/kg, SG3199 demonstrated extremely quick clearance in FX. T1/2 ranged from 8 to 42 minutes, and fast clearance was observed in the 0.5 μg/kg and 1 μg/kg dosage groups between 1000 and 1500 mL/h/kg [1].
References

[1]. Pre-clinical pharmacology and mechanism of action of SG3199, the pyrrolobenzodiazepine (PBD) dimer warhead component of antibody-drug conjugate (ADC) payload tesirine. Sci Rep. 2018 Jul 11;8(1):10479.

[2]. ADCT-402, a PBD dimer-containing antibody drug conjugate targeting CD19-expressing malignancies. Blood. 2018 Mar 8;131(10):1094-1105.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C33H36N4O6
Molecular Weight
584.662148475647
Exact Mass
584.263
CAS #
1595275-71-0
Related CAS #
1595275-71-0
PubChem CID
90132565
Appearance
White to off-white solid powder
LogP
2.8
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
10
Heavy Atom Count
43
Complexity
1080
Defined Atom Stereocenter Count
2
SMILES
O(CCCCCOC1C(=CC2=C(C=1)N=C[C@@H]1CC(C)=CN1C2=O)OC)C1C(=CC2=C(C=1)N=C[C@@H]1CC(C)=CN1C2=O)OC
InChi Key
YMTZZJOPSATRTO-GOTSBHOMSA-N
InChi Code
InChI=1S/C33H36N4O6/c1-20-10-22-16-34-26-14-30(28(40-3)12-24(26)32(38)36(22)18-20)42-8-6-5-7-9-43-31-15-27-25(13-29(31)41-4)33(39)37-19-21(2)11-23(37)17-35-27/h12-19,22-23H,5-11H2,1-4H3/t22-,23-/m0/s1 SMILES
Chemical Name
(11aS,11a'S)-8,8'-(Pentane-1,5-diylbis(oxy))bis(7-methoxy-2-methyl-1,11a-dihydro-5H-benzo[e]pyrrolo[1,2-a][1,4]diazepin-5-one)
Synonyms
SG-3199 SG 3199 SG3199
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: (1). This product requires protection from light (avoid light exposure) during transportation and storage.  (2). Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~130 mg/mL (~222.35 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 3.25 mg/mL (5.56 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 32.5 mg/mL clear DMSO stock solution to 400 μL of PEG300 and mix evenly; then add 50 μL of Tween-80 to the above solution and mix evenly; then add 450 μL of normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 3.25 mg/mL (5.56 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 32.5 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.7104 mL 8.5520 mL 17.1040 mL
5 mM 0.3421 mL 1.7104 mL 3.4208 mL
10 mM 0.1710 mL 0.8552 mL 1.7104 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(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.

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