Cayman Chemical Co.

Caffeine-13C3 (CRM) (Item No. 27972) is a certified reference material intended for use as an internal standard for the quantification of caffeine (Item No. 22975 | 22970) by GC- or LC-MS. Caffeine...

Citalopram (hydrobromide) (CRM) (Item No. 23253) is a certified reference material categorized as an antidepressant.{23020,23022,23019} This product is intended for analytical forensic applications...

(+)-Propoxyphene-d5 (hydrochloride) (CRM) Item No. 19693 136765-49-6 Synonyms Synonyms Dextropropoxyphene-d5 D-Propoxyphene-d5 Technical Information Formal...

11-keto Testosterone (CRM) (Item No. 9002654) is a certified reference material that is structurally categorized as an androgen. It is a significant hormone in certain fish, regulating the...

Fentanyl-13C6 (hydrochloride) (CRM) (Item No. 26315) is a certified reference material intended for use as an internal standard for the quantification of fentanyl (Item Nos. ISO60197 | 14719 | 22659)...

Nifoxipam (CRM) (Item No. 27242) is a certified reference material categorized as a nitrobenzodiazepine.{40539} It is a metabolite of flunitrazepam (Item Nos. ISO60180 | 16188).{40539,40619,40518}...

Mirtazapine-d3 (CRM) (Item No. 31762) is a certified reference material intended for use as an internal standard for the quantification of mirtazapine (Item Nos. 31089 | 19994). Mirtazapine is...

Remifentanil (hydrochloride) (CRM) (Item No. 22429) is a certified reference material categorized as an opioid.{34409,43220} Remifentanil has analgesic activity.{35117} Remifentanil is regulated as a...

7-Aminonimetazepam (Item No. 18353) is a certified reference material that is structurally categorized as a benzodiazepine. It is a metabolite of nimetazepam (Item Nos. 19206 | 18352) that can be...

Normeperidine-d4 (hydrochloride) (CRM) (Item No. 20896) is a certified reference material intended for use as an internal standard for the quantification of normeperidine (Item Nos. 15285 | 20899) by...

Acetyl fentanyl-13C6 (hydrochloride) (CRM) (Item No. 26756) is a certified reference material intended for use as an internal standard for the quantification of acetyl fentanyl (Item Nos. ISO60128 |...

Clonazepam-d4 (CRM) (Item No. 18727) is a certified reference material intended for use as an internal standard for the quantification of clonazepam (Item No. 14263 | ISO60181) by GC- or LC-MS...