NSC 13199

Name: NSC 13199
Brand: ChemScene
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CAS No. 5424-21-5
Cat. No. CS-D1522
Purity≥97%
MDL No.MFCD00006064

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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.

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

Structure of 5424-21-5

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Description

DBCO-NHCO-PEG4-NHS ester is a PEG linker containing NHS ester that is able to react specifically and efficiently with primary amines such as the side chain of lysine residues or aminosilane-coated surfaces at neutral or slightly basic condition to form a covalent bond. The hydrophilic PEG spacer arm improves water solubility and can also provide a long and flexible connection that minimizes steric hindrance during ligation. DBCO is commonly used for copper-free Click Chemistry reactions.

General Information

CAS No. 5424-21-5
Cat. No. CS-D1522
Purity ≥97%
MDL No. MFCD00006064
Storage -20°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₄Cl₂N₂
Molecular Weight 163.00
Synonym(s) 2,4-Dichloro-6-methylpyrimidine; 2,6-Dichloro-4-methylpyrimidine; 6-Methyl-2,4-dichloropyrimidine; Pyrimidine, 2,4-dichloro-6-methyl-
SMILES CC1=CC(Cl)=NC(Cl)=N1

Computational Chemistry Data

TPSA 25.78
LogP 2.09182
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS05
Signal Word : Danger	UN#: 3263
Class : 8	Packing Group : Ⅱ
Hazard Statements : H314-H318
Precautionary Statements : P260-P264-P280-P301+P330+P331-P304+P340-P363-P405-P501

Quality Control

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

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NSC 13199

CAS No. 5424-21-5

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