DOTA-NHS ester, 90%+

Name: DOTA-NHS ester, 90%+
Brand: Vaqora Chemicals
SKU: VQ-000344

About DOTA-NHS ester, 90%+

DOTA-NHS ester is an indicator carrying the CAS registry number 170908-81-3, specified at ≥90% purity. Formula C20H31N5O10, molecular weight 501.5 g/mol. It is also known as Tetraxetan N-hydroxysuccinimide or DOTA-NHS-ester.

In its supplied form it is white to almost white powder or crystals. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include titration end-point detection, pH determination, analytical testing and pharmaceutical synthesis. Buyers come mainly from academic and industrial research and pharmaceutical manufacturing.

Vaqora Chemicals supplies DOTA-NHS ester in 100 mg and 500 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Pharmaceutical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	DOTA-NHS ester, 90%+
Catalogue No.	VQ-000344
CAS Number	170908-81-3
IUPAC name	2-[4,10-bis(carboxymethyl)-7-[2-(2,5-dioxopyrrolidin-1-yl)oxy-2-oxoethyl]-1,4,7,10-tetrazacyclododec-1-yl]acetic acid
Molecular formula	C₂₀H₃₁N₅O₁₀
Molecular weight	501.5 g/mol
Exact mass	501.2071
Purity / assay	≥90%
HSN code	29420090
InChIKey	XSVWFLQICKPQAA-UHFFFAOYSA-N
SMILES	C1CC(=O)N(C1=O)OC(=O)CN2CCN(CCN(CCN(CC2)CC(=O)O)CC(=O)O)CC(=O)O
PubChem CID	11488945

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
LogP (XLogP3)	-8.9
H-bond donors / acceptors	3 / 14
TPSA	189 Å²
Synonyms	1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid mono-N-hydroxysuccinimide ester, Tetraxetan N-hydroxysuccinimide, DOTA-NHS-ester, DOTA-?NHS-?ester, DOTA NHS ester, DOTA-HS-ster, DOTA-_NHS-_ester, DOTA N-hydroxysuccinimide ester

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 170908-81-3

DOTA-NHS ester, 99%+

CAS: 170908-81-3
Formula: C₂₀H₃₁N₅O₁₀
MW: 501.5 g/mol

VQ-000345

Frequently asked questions

What is the CAS number of DOTA-NHS ester, 90%+?

The CAS Registry Number of DOTA-NHS ester, 90%+ is 170908-81-3. It is also known as 1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid mono-N-hydroxysuccinimide ester, Tetraxetan N-hydroxysuccinimide, DOTA-NHS-ester.

What is the molecular formula and molecular weight of DOTA-NHS ester, 90%+?

DOTA-NHS ester, 90%+ has the molecular formula C20H31N5O10 and a molecular weight of 501.5 g/mol. Its IUPAC name is 2-[4,10-bis(carboxymethyl)-7-[2-(2,5-dioxopyrrolidin-1-yl)oxy-2-oxoethyl]-1,4,7,10-tetrazacyclododec-1-yl]acetic acid.

Which grade and pack sizes of DOTA-NHS ester, 90%+ can I order?

We supply DOTA-NHS ester, 90%+ in (≥90%) grade, in 100 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with DOTA-NHS ester, 90%+?

Yes. Every lot of DOTA-NHS ester, 90%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can DOTA-NHS ester, 90%+ be shipped internationally?

Yes. We export DOTA-NHS ester, 90%+ worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.