text.skipToContent text.skipToNavigation
+1 603 622 7660

{{ addToCartData.mixPtRmWarning }}

Do you want to proceed?
{{requestQuote.productName}}; {{requestQuote.displayProductCode}}

Thank you

We will respond to your enquiry shortly.

Something went wrong, please try again later.

 Quick Order
{{ cartItemsCount }} 0
If not, click 'cancel'. You can also save this item for later.
Cancel
{{ cartItemsCount }} 0
If not, click 'cancel'. You can also save this item for later.
Cancel
Popular Regions
All Regions
+1 603 622 7660

Product Code

TRC-T795618

CAS Number

1189923-38-3

Product Format

Neat

Molecular Formula

C14 D5 H15 N4 O3

Molecular Weight

297.364

API Family

Trimethoprim

Product Categories

Stable Isotope Labelled Reference Materials , Enzyme activators, Herbicides and metabolites, Pharmaceutical and Veterinary Residue Reference Materials , Stable Isotope Labelled Compound Reference Materials , TRC, Pharmaceutical, Veterinary Compound & Metabolite Reference Materials , API Reference Standards & Research Materials, Other antibacterials, Herbicides and metabolites, Stable isotopes, Stable Isotope Labelled Analytical Standards, Pharmaceutical Toxicology Reference Materials , Impurity Reference Materials , Pharmaceutical Toxicology Reference Materials , Pharmaceutical and veterinary compounds and metabolites Reference Materials

Product Type

Stable Isotope Labelled, API

Unlabelled CAS Number

738-70-5

Purity

>95% (HPLC)

Price and availability

Sign in to view your unique pricing agreement and check out

48-hour USA dispatch time
Freight restricted.
If Exact Weight packaging is selected, a certificate will be delivered with the product, which will indicate the mass of the material dispensed into the vial with a precision of up to 3 decimal places. Exceptions apply.
Request custom pack size quote

{{ favouriteItem.successMessage }}

View favourites

Product removed from your favourites

{{ addToCartData.mixPtRmWarning }}

Do you want to proceed?
{{requestQuote.productName}}; {{requestQuote.displayProductCode}}

Thank you

We will respond to your enquiry shortly.

Something went wrong, please try again later.

Documentation

Where shall we send your requested CoA?
Part number:  {{ coaPopupData.packSize.code }}

{{ errors.first('RequestCoaForm.lotNumber') }}

{{ errors.first('RequestCoaForm.requestEmail') }}
LGC will use your email address only for the purposes of providing the requested document.
For information about our data processing activities, please visit our Privacy Notice.

{{ coaPopupData.serverError }}
Where shall we send your requested CoA?

Enter your email address and we'll email you the relevant CoA for lots:
{{ coaPopupData.packSize.coaSelectedLotNumbers }}

{{ errors.first('SendDownloadCoaLinkForm.coaEmail') }}

 By entering your email address, you confirm that you give your consent to LGC to share information in connection with the product(s) above and other similar products from time to time. LGC will process your personal data in accordance with all applicable data protection rules and regulations. For information relating to LGC's data processing activities, please visit our Privacy Policy below (see footer).
Cancel
Thank you

We will be sending the CoA to your email address {{ coaEmailPopupData.userEmail }}

Thank you

Your request has been sent to our sales team to process.

Where shall we send your requested SDS?
Part number:  {{ sdsPopupData.packSize.code }}

{{ errors.first('RequestSdsForm.selectedRegion') }}

{{ errors.first('RequestSdsForm.sdsEmail') }}

LGC will use your email address only for the purposes of providing the requested document.
For information about our data processing activities, please visit our Privacy Notice.

{{ sdsPopupData.serverError }}
Thank you

Your request has been sent to our sales team to process.

Product Information

Chemical Data

Analyte Name

Trimethoprim-d3

CAS Number

1189923-38-3

Molecular Formula

C14 D5 H15 N4 O3

Molecular Weight

297.364

Accurate Mass

297.185

Flash Point

-20

SMILES

[2H].[2H].[2H]C([2H])([2H])Oc1c(OC)cc(Cc2cnc(N)nc2N)cc1OC

InChI

InChI=1S/C14H18N4O3.2H/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15;;/h5-7H,4H2,1-3H3,(H4,15,16,17,18);;/i3D3;2*1+1

IUPAC

5-[[3,5-dimethoxy-4-(trideuteriomethoxy)phenyl]methyl]pyrimidine-2,4-diamine

Unlabelled CAS Number

738-70-5

SIL Type

Deuterium

Product Data

Storage Temperature

-20°C

Shipping Temperature

Room Temperature

Country of Origin

CANADA

Product Type

API

Product Format

Neat

API Family

Trimethoprim

Purity

>95% (HPLC)

Product Description

Deuterated Trimethoprim, an antibacterial.

References: Manius, G.J., et al.: Anal. Profiles Drug Subs., 7, 445 (1978), Roth, B., et al.: J. Med. Chem., 23, 379 (1980), Brogden, R.N., et al.: Drugs, 23, 405 (1982),
Punchout session timeout warning

Your punchout session will expire in1 min59 sec.

Select "Continue session" to extend your session.