N-Desmethyl Sildenafil

CAS No. 139755-82-1
Cat. No. CS-0066619
Molecule weight460.55
Purity≥95%
MDL No.MFCD00908398

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HazMat Fee

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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.

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General Information

CAS No. 139755-82-1
Cat. No. CS-0066619
Purity ≥95%
MDL No. MFCD00908398
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₁H₂₈N₆O₄S
Molecular Weight 460.55
Synonym(s) Desmethylsildenafil; UK-103,320
SMILES CCOC1=C(C=C(S(N2CCNCC2)(=O)=O)C=C1)C3=NC4=C(C(N3)=O)N(C)N=C4CCC

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 122.21
LogP 1.2687
H_Acceptors 8
H_Donors 2
Rotatable_Bonds 7

Other Classifications

Building Blocks Functional Group Sulfone

Building Blocks Functional Group Ether

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

Building Blocks Skeleton Aliphatic heterocycle compounds Piperazine compounds

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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N-Desmethyl Sildenafil

CAS No. 139755-82-1

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