Filter
Your Cart
We use cookies 🍪
We use cookies and other similar technologies to improve your browsing experience and the functionality of our site. Learn Learn more in our Privacy Policy and Cookie Policy.

Primary Reference Standard

When precision matters most, start with the highest benchmark—Primary Reference Standards from Lancetech Ltd are essential for achieving traceable and reproducible results in analytical testing. These ultra-pure substances serve as the definitive reference point for calibrating instruments, verifying methods, and producing secondary standards.


Ideal for pharmaceutical, environmental, and chemical laboratories, our primary standards ensure compliance with global regulatory requirements and support accurate quantification across a wide range of applications. Each standard is backed by detailed documentation and traceability to certified bodies, ensuring your data integrity from the first measurement onward.


Explore our range of primary reference materials and set a solid foundation for your lab’s analytical success.

Cefadroxil 5g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C119-5G
Cefadroxil 5g CAS number 50370-12-2 and purity (On Dried Basis): 950-1050 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£166.18 £184.64
Cefamandole nafate 10 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C078-10G
Cefamandole nafate 10 g CAS number 42540-40-9 and purity (On Dried Basis): 810-1000µg/mg...
Price excludes taxes and shipping charges. Save -10%
£494.21 £549.12
Cefamandole nafate 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C078-5G
Cefamandole nafate 5 g CAS number 42540-40-9 and purity (On Dried Basis): 810-1000µg/mg...
Price excludes taxes and shipping charges. Save -10%
£270.23 £300.25
Cefamandole sodium salt 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C079-100MG
Cefamandole sodium salt 100 mg CAS number 30034-03-8 and purity (HPLC): ≥90.0%...
Price excludes taxes and shipping charges. Save -10%
£155.10 £172.33
Cefamandole sodium salt 500 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C079-500MG
Cefamandole sodium salt 500 mg CAS number 30034-03-8 and purity (HPLC): ≥90.0%...
Price excludes taxes and shipping charges. Save -10%
£576.57 £640.63
Cefathiamidine 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C237-100MG
Cefathiamidine 100 mg CAS number 33075-00-2 and purity (On Dried Basis): ≥97.0% ...
Price excludes taxes and shipping charges. Save -10%
£357.41 £397.12
Cefathiamidine 25 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C237-25MG
Cefathiamidine 25 mg CAS number 33075-00-2 and purity (On Dried Basis): ≥97.0% ...
Price excludes taxes and shipping charges. Save -10%
£110.30 £122.56
Cefazolin Sodium Salt, USP 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C006-1G
Cefazolin Sodium Salt, USP 1 g CAS number 27164-46-1 and purity (On Dried Basis): 89.1-110.1%...
Price excludes taxes and shipping charges. Save -10%
£350.67 £389.63
Cefazolin Sodium Salt, USP 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C006-100MG
Cefazolin Sodium Salt, USP 100 mg CAS number 27164-46-1 and purity (On Dried Basis): 89.1-110.1%...
Price excludes taxes and shipping charges. Save -10%
£72.74 £80.82
Cefazolin Sodium Salt, USP 500 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C006-500MG
Cefazolin Sodium Salt, USP 500 mg CAS number 27164-46-1 and purity (On Dried Basis): 89.1-110.1%...
Price excludes taxes and shipping charges. Save -10%
£204.71 £227.46
Cefcapene Pivoxil Hydrochloride 10 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C068-10MG
Cefcapene Pivoxil Hydrochloride 10 mg CAS number 147816-24-8 and purity nan...
Price excludes taxes and shipping charges. Save -10%
£74.66 £82.96
Add to Cart Request A Quote
Cefdinir 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C049-1G
Cefdinir 1 g CAS number 91832-40-5 and purity (On Dried Basis): 960-1020 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£126.20 £140.22
Cefdinir 10 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C049-10G
Cefdinir 10 g CAS number 91832-40-5 and purity (On Dried Basis): 960-1020 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£733.60 £815.11
Cefdinir 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C049-5G
Cefdinir 5 g CAS number 91832-40-5 and purity (On Dried Basis): 960-1020 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£407.02 £452.24
Cefditoren pivoxil 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C050-1G
Cefditoren pivoxil 1 g CAS number 117467-28-4 and purity (On Dried Basis): 944-1005 µg/mg ...
Price excludes taxes and shipping charges. Save -10%
£129.09 £143.43
Cefditoren sodium 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C094-1G
Cefditoren sodium 1 g CAS number 104146-53-4 and purity (On Dried Basis): ≥99.0%...
Price excludes taxes and shipping charges. Save -10%
£124.27 £138.08
Cefepime 10 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C008-10MG
Cefepime 10 mg CAS number 88040-23-7 and purity ≥90.0%...
Price excludes taxes and shipping charges. Save -10%
£139.20 £154.67
Cefepime 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C008-100MG
Cefepime 100 mg CAS number 88040-23-7 and purity ≥90.0%...
Price excludes taxes and shipping charges. Save -10%
£934.94 £1,038.82
Cefepime 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C008-50MG
Cefepime 50 mg CAS number 88040-23-7 and purity ≥90.0%...
Price excludes taxes and shipping charges. Save -10%
£531.30 £590.33
Cefepime Hydrochloride 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C009-100MG
Cefepime Hydrochloride 100 mg CAS number 123171-59-5 and purity (On Dried Basis): 825 – 911 μg/mg...
Price excludes taxes and shipping charges. Save -10%
£308.75 £343.06
Cefetamet 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C296-100MG
Cefetamet 100 mg CAS number 65052-63-3 and purity ≥95.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£228.31 £253.68
Cefetamet 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C296-50MG
Cefetamet 50 mg CAS number 65052-63-3 and purity ≥95.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£134.39 £149.32
Cefetamet Pivoxil Hydrochloride 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C275-1G
Cefetamet Pivoxil Hydrochloride 1 g CAS number 111696-23-2 and purity >70%...
Price excludes taxes and shipping charges. Save -10%
£466.75 £518.61
Cefetamet Pivoxil Hydrochloride 2 x 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C275-2x50MG
Cefetamet Pivoxil Hydrochloride 2 x 50 mg CAS number 111696-23-2 and purity >70%...
Price excludes taxes and shipping charges. Save -10%
£103.56 £115.07
Add to Cart Request A Quote
Cefetamet Pivoxil Hydrochloride 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C275-5G
Cefetamet Pivoxil Hydrochloride 5 g CAS number 111696-23-2 and purity >70%...
Price excludes taxes and shipping charges. Save -10%
£1,067.89 £1,186.54
Cefetamet Pivoxil Hydrochloride 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C275-50MG
Cefetamet Pivoxil Hydrochloride 50 mg CAS number 111696-23-2 and purity >70%...
Price excludes taxes and shipping charges. Save -10%
£63.59 £70.65
Add to Cart Request A Quote
Cefiderocol 10 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C247-10MG
Cefiderocol 10 mg CAS number 1225208-94-5 and purity >95.0%...
Price excludes taxes and shipping charges. Save -10%
£250.47 £278.30
Cefixime trihydrate 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C051-100MG
Cefixime trihydrate 100 mg CAS number 125110-14-7 (trihydrate); 79350-37-1 (Dried) and purity (On Dried Basis): 950-1030 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£106.45 £118.28
Cefixime trihydrate 25 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C051-25MG
Cefixime trihydrate 25 mg CAS number 125110-14-7 (trihydrate); 79350-37-1 (Dried) and purity (On Dried Basis): 950-1030 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£40.94 £45.49
Cefmenoxime Hydrochloride 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C240-100MG
Cefmenoxime Hydrochloride 100 mg CAS number 75738-58-8 and purity ≥98.5%...
Price excludes taxes and shipping charges. Save -10%
£110.30 £122.56
Cefmenoxime Hydrochloride 500 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C240-500MG
Cefmenoxime Hydrochloride 500 mg CAS number 75738-58-8 and purity ≥98.5%...
Price excludes taxes and shipping charges. Save -10%
£323.69 £359.65
Cefmetazole free acid 1g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C122-1G
Cefmetazole free acid 1g CAS number 56796-20-4 and purity ≥ 97.0%...
Price excludes taxes and shipping charges. Save -10%
£94.41 £104.90
Cefmetazole free acid 5g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C122-5G
Cefmetazole free acid 5g CAS number 56796-20-4 and purity ≥ 97.0%...
Price excludes taxes and shipping charges. Save -10%
£313.58 £348.42
Cefmetazole sodium 1g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C052-1G
Cefmetazole sodium 1g CAS number 56796-39-5 and purity (On Dried Basis): 860-1003 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£99.23 £110.25
Cefmetazole sodium 5g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C052-5G
Cefmetazole sodium 5g CAS number 56796-39-5 and purity (On Dried Basis): 860-1003 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£349.70 £388.56
Cefminox sodium 1g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C124-1G
Cefminox sodium 1g CAS number 1351813-81-4 and purity (On Dried Basis): 90.0-97.0%...
Price excludes taxes and shipping charges. Save -10%
£204.71 £227.46
Cefminox sodium 500 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C124-500MG
Cefminox sodium 500 mg CAS number 1351813-81-4 and purity (On Dried Basis): 90.0-97.0%...
Price excludes taxes and shipping charges. Save -10%
£147.88 £164.31
Cefodizime sodium 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C244-1G
Cefodizime sodium 1 g CAS number 86329-79-5 and purity 88.0-94.0%...
Price excludes taxes and shipping charges. Save -10%
£201.83 £224.25
Cefonicid Sodium 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C243-1G
Cefonicid Sodium 1 g CAS number 61270-78-8 and purity (On Dried Basis): 832 - 970 ug/mg ...
Price excludes taxes and shipping charges. Save -10%
£312.61 £347.34
Cefonicid Sodium 500 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C243-500MG
Cefonicid Sodium 500 mg CAS number 61270-78-8 and purity (On Dried Basis): 832 - 970 ug/mg...
Price excludes taxes and shipping charges. Save -10%
£110.30 £122.56
Cefoperazone Free Acid 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C281-1G
Cefoperazone Free Acid 1 g CAS number 62893-19-0 and purity ≥≥≥>= 95% (Anhydrous basis)...
Price excludes taxes and shipping charges. Save -10%
£133.43 £148.25
Cefoperazone Free Acid 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C281-100MG
Cefoperazone Free Acid 100 mg CAS number 62893-19-0 and purity ≥≥≥>= 95% (Anhydrous basis)...
Price excludes taxes and shipping charges. Save -10%
£58.76 £65.29
Cefoperazone Sodium 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C010-1G
Cefoperazone Sodium 1 g CAS number 62893-20-3 and purity (On Dried Basis): 870-1015 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£64.55 £71.72
Cefoperazone Sodium 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C010-5G
Cefoperazone Sodium 5 g CAS number 62893-20-3 and purity (On Dried Basis): 870-1015 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£218.68 £242.98
Cefoperazone Sodium/Sulbactam Sodium (2:1) 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C284-1G
Cefoperazone Sodium/Sulbactam Sodium (2:1) 1 g CAS number 62893-20-3 and purity >=≥588 ug/mg ...
Price excludes taxes and shipping charges. Save -10%
£63.59 £70.65
Add to Cart Request A Quote
Cefoperazone Sodium/Sulbactam Sodium (2:1) 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C284-5G
Cefoperazone Sodium/Sulbactam Sodium (2:1) 5 g CAS number 62893-20-3 and purity >=≥588 ug/mg ...
Price excludes taxes and shipping charges. Save -10%
£218.68 £242.98
Add to Cart Request A Quote
Cefotaxime ReadyMadeTM Solution 10 x 1 ml
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C293-10x1ML
Cefotaxime ReadyMadeTM Solution 10 x 1 ml CAS number 64485-93-4 and purity 916-964 μg/mg (on dried basis)...
Price excludes taxes and shipping charges. Save -10%
£76.59 £85.10
Add to Cart Request A Quote
Cefotaxime Sodium, CulturePure® 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C106-1G
Cefotaxime Sodium, CulturePure® 1 g CAS number 64485-93-4 and purity ≥99.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£225.42 £250.47
Add to Cart Request A Quote
Cefotaxime Sodium, CulturePure® 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C106-100MG
Cefotaxime Sodium, CulturePure® 100 mg CAS number 64485-93-4 and purity ≥99.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£46.72 £51.91
Add to Cart Request A Quote
Cefotaxime Sodium, CulturePure® 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C106-5G
Cefotaxime Sodium, CulturePure® 5 g CAS number 64485-93-4 and purity ≥99.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£952.77 £1,058.63
Add to Cart Request A Quote
Cefotaxime Sodium, CulturePure® 500 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: C106-500MG
Cefotaxime Sodium, CulturePure® 500 mg CAS number 64485-93-4 and purity ≥99.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£123.31 £137.01
Add to Cart Request A Quote
Showing 562 to 612 of 2821 (56 Pages)
Product Filter