Tadalafil Impurity 20

Name: Tadalafil Impurity 20
Brand: ChemScene
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CAS No. 406938-39-4
Cat. No. CS-0915417
Purity≥97%
MDL No.None

HazMat Fee +

HazMat Fee

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it. There is a HazMat shipping fee for each item that qualifies as a dangerous good, except in the following scenarios:

The shipment is processed through FedEx Ground under the Limited Quantity option.

Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

Structure of 406938-39-4

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General Information

CAS No. 406938-39-4
Cat. No. CS-0915417
Purity ≥97%
MDL No. None
Storage Sealed in dry,2-8℃
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₉H₁₆N₂O₄
Molecular Weight 336.34
Synonym(s) None
SMILES C(O)(=O)[C@H]1CC2=C([C@H](N1)C=3C=C4C(=CC3)OCO4)NC=5C2=CC=CC5

Safety Information

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GHS Pictogram : N/A	GHS No : N/A
Signal Word : N/A	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : N/A
Precautionary Statements : N/A

Quality Control

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Computational Chemistry Data

TPSA 83.58
LogP 2.5849
H_Acceptors 4
H_Donors 3
Rotatable_Bonds 2

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Indole compounds

Building Blocks Skeleton Aromatic heterocycle compounds Benzodioxolane compounds

Building Blocks Skeleton Aliphatic heterocycle compounds Piperidine compounds

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

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Tadalafil Impurity 20

CAS No. 406938-39-4

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