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.

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%
£130.05 £144.50
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%
£755.76 £839.73
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%
£419.54 £466.16
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%
£133.43 £148.25
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%
£128.13 £142.36
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%
£143.54 £159.49
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%
£963.36 £1,070.40
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%
£547.67 £608.52
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%
£318.39 £353.77
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%
£235.54 £261.71
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%
£138.72 £154.14
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%
£481.20 £534.66
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%
£106.93 £118.81
Add to Cart Request A Quote
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%
£1,100.16 £1,222.40
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%
£65.51 £72.79
Add to Cart Request A Quote
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%
£109.82 £122.03
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%
£42.39 £47.10
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%
£113.68 £126.31
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%
£333.80 £370.89
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%
£97.30 £108.11
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%
£323.21 £359.12
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%
£102.60 £114.00
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%
£360.30 £400.33
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%
£210.98 £234.42
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%
£152.69 £169.66
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%
£208.09 £231.21
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%
£322.24 £358.05
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%
£113.68 £126.31
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%
£137.76 £153.07
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%
£60.69 £67.44
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%
£66.95 £74.39
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%
£225.43 £250.47
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%
£65.51 £72.79
Add to Cart Request A Quote
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%
£225.43 £250.47
Add to Cart Request A Quote
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%
£79.00 £87.77
Add to Cart Request A Quote
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%
£232.65 £258.50
Add to Cart Request A Quote
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%
£48.17 £53.52
Add to Cart Request A Quote
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%
£981.66 £1,090.74
Add to Cart Request A Quote
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%
£127.16 £141.29
Add to Cart Request A Quote
Manufacturer: TOKU-E Item Number: C011-1G
Cefotaxime Sodium, USP 1 g CAS number 64485-93-4 and purity (On Dried Basis): 916-964 μg/mg ...
Price excludes taxes and shipping charges. Save -10%
£113.68 £126.31
Manufacturer: TOKU-E Item Number: C011-5G
Cefotaxime Sodium, USP 5 g CAS number 64485-93-4 and purity (On Dried Basis): 916-964 μg/mg ...
Price excludes taxes and shipping charges. Save -10%
£485.05 £538.95
Manufacturer: TOKU-E Item Number: C012-100MG
Cefotetan 100 mg CAS number 69712-56-7 and purity (On Dried Basis): 96.0-102.0%...
Price excludes taxes and shipping charges. Save -10%
£296.71 £329.68
Manufacturer: TOKU-E Item Number: C117-100MG
Cefotetan Disodium 100mg CAS number 74356-00-6 and purity (HPLC As Is): ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£87.67 £97.41
Manufacturer: TOKU-E Item Number: C117-1G
Cefotetan Disodium 1g CAS number 74356-00-6 and purity (HPLC As Is): ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£627.63 £697.37
Manufacturer: TOKU-E Item Number: C095-100MG
Cefotiam Dihydrochloride 100 mg CAS number 66309-69-1 and purity ≥98.0%...
Price excludes taxes and shipping charges. Save -10%
£271.19 £301.32
Manufacturer: TOKU-E Item Number: C095-50MG
Cefotiam Dihydrochloride 50 mg CAS number 66309-69-1 and purity ≥98.0%...
Price excludes taxes and shipping charges. Save -10%
£152.69 £169.66
Manufacturer: TOKU-E Item Number: C091-1G
Cefoxitin 1 g CAS number 35607-66-0 and purity (On Dried Basis): ≥98.0%...
Price excludes taxes and shipping charges. Save -10%
£151.73 £168.59
Manufacturer: TOKU-E Item Number: C054-1G
Cefoxitin Sodium USP 1 g CAS number 33564-30-6 and purity On Dried Basis: 927 - 970 µg/mg (based on C16H17N3O7S2); 97.5% - 102.0% (based on C16H16N3Na..
Price excludes taxes and shipping charges. Save -10%
£199.90 £222.11
Manufacturer: TOKU-E Item Number: C054-250MG
Cefoxitin Sodium USP 250 mg CAS number 33564-30-6 and purity On Dried Basis: 927 - 970 µg/mg (based on C16H17N3O7S2); 97.5% - 102.0% (based on C16H16N..
Price excludes taxes and shipping charges. Save -10%
£72.25 £80.28
Manufacturer: TOKU-E Item Number: C054-5G
Cefoxitin Sodium USP 5 g CAS number 33564-30-6 and purity On Dried Basis: 927 - 970 µg/mg (based on C16H17N3O7S2); 97.5% - 102.0% (based on C16H16N3Na..
Price excludes taxes and shipping charges. Save -10%
£656.53 £729.48
Manufacturer: TOKU-E Item Number: C099-100MG
Cefozopran Hydrochloride 100 mg CAS number 113981-44-5 and purity ≥ 97.0%...
Price excludes taxes and shipping charges. Save -10%
£295.75 £328.61
Showing 562 to 612 of 2783 (55 Pages)
Product Filter