5-Chloro-2-Methyl-3-Isothiazolone-d3
CAS 1329611-34-8
Cat. no. CCAD301759 Formula C4HD3ClNOS
MW 152.62
In stock
The trideuterated analogue of the isothiazolinone biocide, 5-Chloro-2-Methyl-3-Isothiazolone-d3 is a stable isotope labelled reference standard catalogued here among veterinary drug residue materials. Deuterium substitution at three positions leaves the physicochemical behaviour close to that of the unlabelled compound while shifting the mass, so the labelled material can act as an internal standard that tracks analyte loss through extraction and clean-up. Residue laboratories apply it in LC-MS/MS method development and validation for preservatives and biocides in tissue, food and environmental samples, where matrix effects are pronounced and an isotope-labelled surrogate improves quantitative confidence. The solid is off-white to light yellow, with the formula C4HD3ClNOS and a molecular weight of 152.62. Storage is stated as 2 C to 8 C, and shipping is at room temperature. Pack sizes from 1 mg to 100 mg are listed. Details and a quotation are available on request through this page.
Pack sizes and lead time
| Pack size | Availability | Quote |
|---|---|---|
| 1 mg | In stock | |
| 5 mg | 7 days | |
| 10 mg | 7 days | |
| 25 mg | 7 days | |
| 50 mg | 7 days | |
| 100 mg | 42 days |
Content and purity for each pack size are stated per lot on the certificate of
analysis. Prices are quoted per enquiry so that pack size, documentation and shipping requirements
can be confirmed together — no price is published on this site.
What the documents contain
- Certificate of analysis — issued per lot: catalogue and lot number, the value assigned to the material and the analytical basis for it.
- Safety data sheet — supplied for the catalogue item, and the basis for the transport classification used on the shipment.
- Storage and shipping conditions for this item: 2℃ ~ 8℃, Shipping at Room Temperature.
Frequently asked questions
Is a certificate of analysis (COA) available for 5-Chloro-2-Methyl-3-Isothiazolone-d3?
Yes. A batch-specific COA and the MSDS are issued for every lot of 5-Chloro-2-Methyl-3-Isothiazolone-d3 (catalogue number CCAD301759). Use the COA link on this page, or email [email protected] with the lot number printed on your label and we will send the matching document.
What pack sizes and lead times are offered?
Pack sizes 1 mg are held in stock and typically ship within 1–2 working days Other sizes (5 mg, 10 mg, 25 mg, 50 mg, 100 mg) are quoted with a lead time of approximately 7 days, 42 days.
How is the purity of 5-Chloro-2-Methyl-3-Isothiazolone-d3 documented?
Purity is determined per batch and stated on the COA together with the analytical data used for its assignment. If your method requires a specific grade or a particular pharmacopoeial naming, tell us the requirement when you enquire and we will confirm suitability.
Can you supply a larger quantity or a custom synthesis?
Yes. Quantities above the listed pack sizes are quoted on request, and custom synthesis or isolation from related starting materials can be discussed for compounds not held in stock. Contact [email protected] with the target quantity and required delivery date.
How is 5-Chloro-2-Methyl-3-Isothiazolone-d3 shipped?
Shipping conditions for this item: Shipping at Room Temperature. Shipments are packed to maintain the specified storage condition, and the SDS is provided for transport classification.
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