Catalog

Analytical reference standards & API research materials

All materials are supplied strictly for in-vitro laboratory research and analytical testing. Each entry lists CAS number, molecular formula, molecular weight and released HPLC purity.

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36 materials listed

Analytical reference standards & API research materials
						View standard
Apixaban Reference StandardBMS-562247 · Factor Xa Inhibitor Reference Standard	503612-47-3	C25H25N5O4	459.50 g/mol	≥ 99.7%	$52.00	View standard
Atorvastatin Calcium Reference StandardAtorvastatin hemicalcium salt	134523-03-8	C66H68CaF2N4O10	1155.34 g/mol	≥ 99.7%	$41.00	View standard
BPC-157 Reference StandardBody Protection Compound 157 · PL-10	137525-51-0	C62H98N16O22	1,419.5 g/mol	≥ 99.0%	$65.00	View standard
Caffeine-13C3 Stable Isotope Standard1,3,7-Trimethyl-13C3-xanthine	78072-66-9	13C3C5H10N4O2	197.16 g/mol	≥ 99.0%	$132.00	View standard
Carprofen Veterinary API Reference StandardRo 20-5720 · 2-(6-Chlorocarbazol-2-yl)propionic acid	53716-49-7	C15H12ClNO2	273.71 g/mol	≥ 99.6%	$44.00	View standard
Empagliflozin Reference StandardBI 10773 · SGLT2 Inhibitor Reference Standard	864070-44-0	C23H27ClO7	450.91 g/mol	≥ 99.8%	$54.00	View standard
Enrofloxacin Veterinary API Reference StandardBay Vp 2674 · 1-Cyclopropyl-7-(4-ethylpiperazin-1-yl) fluoroquinolone	93106-60-6	C19H22FN3O3	359.40 g/mol	≥ 99.4%	$46.00	View standard
Enzalutamide API Reference StandardMDV3100 · Androgen Receptor Antagonist Reference Standard	915087-33-1	C21H16F4N4O2S	464.44 g/mol	≥ 99.6%	$68.00	View standard
Erdafitinib API Reference StandardJNJ-42756493 · FGFR Kinase Inhibitor	1346242-81-6	C25H30N6O2	446.55 g/mol	≥ 99.8%	$120.00	View standard
Fenbendazole Veterinary API Reference StandardHOE 881 · Methyl 5-(phenylthio)-2-benzimidazolecarbamate	43210-67-9	C15H13N3O2S	299.35 g/mol	≥ 99.3%	$52.00	View standard
Firocoxib Veterinary API Reference StandardML-1785713 · COX-2 selective furanone standard	189954-96-9	C17H20O5S	336.40 g/mol	≥ 99.1%	$86.00	View standard
Florfenicol Veterinary API Reference StandardSch-25298 · Fluorinated amphenicol standard	73231-34-2	C12H14Cl2FNO4S	358.21 g/mol	≥ 99.2%	$50.00	View standard
Ibuprofen-d3 Stable Isotope StandardIbuprofen-methyl-d3	1189460-56-9	C13H15D3O2	209.30 g/mol	≥ 99.1%	$118.00	View standard
Ivermectin Veterinary API Reference Standard22,23-Dihydroavermectin B1 · MK-933	70288-86-7	C48H74O14	875.10 g/mol	≥ 99.0%	$64.00	View standard
Lenvatinib Mesylate Reference StandardE7080 mesylate · Multi-kinase Inhibitor Reference Standard	857890-39-2	C21H19ClN4O4·CH4O3S	522.96 g/mol	≥ 99.5%	$84.00	View standard
Liraglutide Reference StandardNN2211 · GLP-1 Analog Peptide	204656-20-2	C172H265N43O51	3,751.2 g/mol	≥ 98.5%	$95.00	View standard
Losartan Azido Impurity Standard (Impurity D)Losartan Azide Impurity · Azido Losartan	138401-24-8	C22H23ClN10	462.94 g/mol	≥ 98.5%	$96.00	View standard
Losartan Impurity Standard KLosartan Related Compound K	114798-36-6	C22H23ClN6O	422.91 g/mol	≥ 98.2%	$105.00	View standard
Maropitant Citrate Veterinary API Reference StandardCJ-11972 citrate · NK-1 receptor antagonist standard	359875-09-5	C32H40N2O·C6H8O7	678.816 g/mol	≥ 98.8%	$98.00	View standard
Metformin Hydrochloride Reference StandardDimethylbiguanide hydrochloride	1115-70-4	C4H12ClN5	165.62 g/mol	≥ 99.9%	$34.00	View standard
Olaparib API Reference StandardAZD-2281 · KU-0059436 · PARP Inhibitor Reference Standard	763113-22-0	C24H23FN4O3	434.46 g/mol	≥ 99.7%	$76.00	View standard
Osimertinib API Reference StandardAZD9291 · EGFR Kinase Inhibitor	1421373-65-0	C28H33N7O2	499.61 g/mol	≥ 99.6%	$84.00	View standard
Palbociclib API Reference StandardPD-0332991 · CDK4/6 Kinase Inhibitor	571190-30-2	C24H29N7O2	447.54 g/mol	≥ 99.5%	$72.00	View standard
Paracetamol-d4 Stable Isotope StandardAcetaminophen-d4 · 4-Acetamidophenol-d4	64315-36-2	C8H5D4NO2	155.19 g/mol	≥ 99.2%	$108.00	View standard
Praziquantel Veterinary API Reference StandardEMBAY 8440 · Pyrazinoisoquinoline anthelmintic standard	55268-74-1	C19H24N2O2	312.41 g/mol	≥ 99.5%	$48.00	View standard
Retatrutide Reference StandardLY3437943 · Triple Agonist Peptide	2381089-83-2	C221H342N46O68	4,731.3 g/mol	≥ 98.0%	$120.00	View standard
Rosuvastatin Calcium Reference StandardZD-4522 calcium · HMG-CoA Reductase Inhibitor Reference Standard	147098-20-2	C44H54CaF2N6O12S2	1001.14 g/mol	≥ 99.5%	$44.00	View standard
Ruxolitinib API Reference StandardINCB018424 · JAK1/2 Kinase Inhibitor Reference Standard	941678-49-5	C17H18N6	306.37 g/mol	≥ 99.7%	$72.00	View standard
Semaglutide Reference StandardGLP-1 Receptor Agonist Peptide · NN9535	910463-68-2	C187H291N45O59	4,113.6 g/mol	≥ 98.5%	$110.00	View standard
Sitagliptin Phosphate Monohydrate Reference StandardMK-0431 phosphate · DPP-4 Inhibitor Reference Standard	654671-77-9	C16H20F6N5O5P	523.32 g/mol	≥ 99.6%	$49.00	View standard
Sotorasib API Reference StandardAMG 510 · KRAS G12C Inhibitor	2252403-56-6	C30H30F2N6O3	560.60 g/mol	≥ 99.4%	$96.00	View standard
Tirzepatide Reference StandardLY3298176 · GIP/GLP-1 Dual Agonist Peptide	2023788-19-2	C225H348N48O68	4,810.5 g/mol	≥ 98.5%	$110.00	View standard
Toltrazuril Veterinary API Reference StandardBay Vi 9142 · Triazinone anticoccidial standard	69004-03-1	C18H14F3N3O4S	425.38 g/mol	≥ 99.0%	$58.00	View standard
Tulathromycin Veterinary API Reference StandardCP-472295 · Triamilide macrolide standard	217500-96-4	C41H79N3O12	806.08 g/mol	≥ 98.5%	$126.00	View standard
Valsartan Related Compound A (Impurity Standard)Valsartan Impurity A	137863-17-3	C14H12N4	236.27 g/mol	≥ 98.5%	$118.00	View standard
Vosoritide Reference StandardBMN-111 · C-Type Natriuretic Peptide Analog	1480724-61-5	C176H290N56O51S3	4,000.6 g/mol	≥ 98.0%	$135.00	View standard

API Reference Standards
Apixaban Reference Standard
CAS
503612-47-3
Formula
C25H25N5O4
Molecular Weight
459.50 g/mol
Purity
≥ 99.7%
From
$52.00
View standard
API Reference Standards
Atorvastatin Calcium Reference Standard
CAS
134523-03-8
Formula
C66H68CaF2N4O10
Molecular Weight
1155.34 g/mol
Purity
≥ 99.7%
From
$41.00
View standard
Peptide Reference Standards
BPC-157 Reference Standard
CAS
137525-51-0
Formula
C62H98N16O22
Molecular Weight
1,419.5 g/mol
Purity
≥ 99.0%
From
$65.00
View standard
Stable Isotope Standards
Caffeine-13C3 Stable Isotope Standard
CAS
78072-66-9
Formula
13C3C5H10N4O2
Molecular Weight
197.16 g/mol
Purity
≥ 99.0%
From
$132.00
View standard
Veterinary API Reference Standards
Carprofen Veterinary API Reference Standard
CAS
53716-49-7
Formula
C15H12ClNO2
Molecular Weight
273.71 g/mol
Purity
≥ 99.6%
From
$44.00
View standard
API Reference Standards
Empagliflozin Reference Standard
CAS
864070-44-0
Formula
C23H27ClO7
Molecular Weight
450.91 g/mol
Purity
≥ 99.8%
From
$54.00
View standard
Veterinary API Reference Standards
Enrofloxacin Veterinary API Reference Standard
CAS
93106-60-6
Formula
C19H22FN3O3
Molecular Weight
359.40 g/mol
Purity
≥ 99.4%
From
$46.00
View standard
API Reference Standards
Enzalutamide API Reference Standard
CAS
915087-33-1
Formula
C21H16F4N4O2S
Molecular Weight
464.44 g/mol
Purity
≥ 99.6%
From
$68.00
View standard
Kinase Inhibitor Standards
Erdafitinib API Reference Standard
CAS
1346242-81-6
Formula
C25H30N6O2
Molecular Weight
446.55 g/mol
Purity
≥ 99.8%
From
$120.00
View standard
Veterinary API Reference Standards
Fenbendazole Veterinary API Reference Standard
CAS
43210-67-9
Formula
C15H13N3O2S
Molecular Weight
299.35 g/mol
Purity
≥ 99.3%
From
$52.00
View standard
Veterinary API Reference Standards
Firocoxib Veterinary API Reference Standard
CAS
189954-96-9
Formula
C17H20O5S
Molecular Weight
336.40 g/mol
Purity
≥ 99.1%
From
$86.00
View standard
Veterinary API Reference Standards
Florfenicol Veterinary API Reference Standard
CAS
73231-34-2
Formula
C12H14Cl2FNO4S
Molecular Weight
358.21 g/mol
Purity
≥ 99.2%
From
$50.00
View standard
Stable Isotope Standards
Ibuprofen-d3 Stable Isotope Standard
CAS
1189460-56-9
Formula
C13H15D3O2
Molecular Weight
209.30 g/mol
Purity
≥ 99.1%
From
$118.00
View standard
Veterinary API Reference Standards
Ivermectin Veterinary API Reference Standard
CAS
70288-86-7
Formula
C48H74O14
Molecular Weight
875.10 g/mol
Purity
≥ 99.0%
From
$64.00
View standard
Kinase Inhibitor Standards
Lenvatinib Mesylate Reference Standard
CAS
857890-39-2
Formula
C21H19ClN4O4·CH4O3S
Molecular Weight
522.96 g/mol
Purity
≥ 99.5%
From
$84.00
View standard
Peptide Reference Standards
Liraglutide Reference Standard
CAS
204656-20-2
Formula
C172H265N43O51
Molecular Weight
3,751.2 g/mol
Purity
≥ 98.5%
From
$95.00
View standard
Impurity Standards
Losartan Azido Impurity Standard (Impurity D)
CAS
138401-24-8
Formula
C22H23ClN10
Molecular Weight
462.94 g/mol
Purity
≥ 98.5%
From
$96.00
View standard
Impurity Standards
Losartan Impurity Standard K
CAS
114798-36-6
Formula
C22H23ClN6O
Molecular Weight
422.91 g/mol
Purity
≥ 98.2%
From
$105.00
View standard
Veterinary API Reference Standards
Maropitant Citrate Veterinary API Reference Standard
CAS
359875-09-5
Formula
C32H40N2O·C6H8O7
Molecular Weight
678.816 g/mol
Purity
≥ 98.8%
From
$98.00
View standard
API Reference Standards
Metformin Hydrochloride Reference Standard
CAS
1115-70-4
Formula
C4H12ClN5
Molecular Weight
165.62 g/mol
Purity
≥ 99.9%
From
$34.00
View standard
Kinase Inhibitor Standards
Olaparib API Reference Standard
CAS
763113-22-0
Formula
C24H23FN4O3
Molecular Weight
434.46 g/mol
Purity
≥ 99.7%
From
$76.00
View standard
Kinase Inhibitor Standards
Osimertinib API Reference Standard
CAS
1421373-65-0
Formula
C28H33N7O2
Molecular Weight
499.61 g/mol
Purity
≥ 99.6%
From
$84.00
View standard
Kinase Inhibitor Standards
Palbociclib API Reference Standard
CAS
571190-30-2
Formula
C24H29N7O2
Molecular Weight
447.54 g/mol
Purity
≥ 99.5%
From
$72.00
View standard
Stable Isotope Standards
Paracetamol-d4 Stable Isotope Standard
CAS
64315-36-2
Formula
C8H5D4NO2
Molecular Weight
155.19 g/mol
Purity
≥ 99.2%
From
$108.00
View standard
Veterinary API Reference Standards
Praziquantel Veterinary API Reference Standard
CAS
55268-74-1
Formula
C19H24N2O2
Molecular Weight
312.41 g/mol
Purity
≥ 99.5%
From
$48.00
View standard
Peptide Reference Standards
Retatrutide Reference Standard
CAS
2381089-83-2
Formula
C221H342N46O68
Molecular Weight
4,731.3 g/mol
Purity
≥ 98.0%
From
$120.00
View standard
API Reference Standards
Rosuvastatin Calcium Reference Standard
CAS
147098-20-2
Formula
C44H54CaF2N6O12S2
Molecular Weight
1001.14 g/mol
Purity
≥ 99.5%
From
$44.00
View standard
Kinase Inhibitor Standards
Ruxolitinib API Reference Standard
CAS
941678-49-5
Formula
C17H18N6
Molecular Weight
306.37 g/mol
Purity
≥ 99.7%
From
$72.00
View standard
Peptide Reference Standards
Semaglutide Reference Standard
CAS
910463-68-2
Formula
C187H291N45O59
Molecular Weight
4,113.6 g/mol
Purity
≥ 98.5%
From
$110.00
View standard
API Reference Standards
Sitagliptin Phosphate Monohydrate Reference Standard
CAS
654671-77-9
Formula
C16H20F6N5O5P
Molecular Weight
523.32 g/mol
Purity
≥ 99.6%
From
$49.00
View standard
Kinase Inhibitor Standards
Sotorasib API Reference Standard
CAS
2252403-56-6
Formula
C30H30F2N6O3
Molecular Weight
560.60 g/mol
Purity
≥ 99.4%
From
$96.00
View standard
Peptide Reference Standards
Tirzepatide Reference Standard
CAS
2023788-19-2
Formula
C225H348N48O68
Molecular Weight
4,810.5 g/mol
Purity
≥ 98.5%
From
$110.00
View standard
Veterinary API Reference Standards
Toltrazuril Veterinary API Reference Standard
CAS
69004-03-1
Formula
C18H14F3N3O4S
Molecular Weight
425.38 g/mol
Purity
≥ 99.0%
From
$58.00
View standard
Veterinary API Reference Standards
Tulathromycin Veterinary API Reference Standard
CAS
217500-96-4
Formula
C41H79N3O12
Molecular Weight
806.08 g/mol
Purity
≥ 98.5%
From
$126.00
View standard
Impurity Standards
Valsartan Related Compound A (Impurity Standard)
CAS
137863-17-3
Formula
C14H12N4
Molecular Weight
236.27 g/mol
Purity
≥ 98.5%
From
$118.00
View standard
Peptide Reference Standards
Vosoritide Reference Standard
CAS
1480724-61-5
Formula
C176H290N56O51S3
Molecular Weight
4,000.6 g/mol
Purity
≥ 98.0%
From
$135.00
View standard