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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: C192-5MG
Cyclopiazonic acid 5 mg CAS number 18172-33-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£280.34 £311.49
Manufacturer: TOKU-E Item Number: C042-100MG
Cyclosporin A EvoPure® 100 mg CAS number 59865-13-3 and purity ≥99.0% (HPLC as is)...
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£73.22 £81.35
Manufacturer: TOKU-E Item Number: C042-500MG
Cyclosporin A EvoPure® 500 mg CAS number 59865-13-3 and purity ≥99.0% (HPLC as is)...
Price excludes taxes and shipping charges. Save -10%
£269.74 £299.71
Manufacturer: TOKU-E Item Number: C285-10x1ML
Cyclosporin A ReadyMade Solution 10 x 1 mL CAS number 59865-13-3 and purity ≥>= 95.00 % (HPLC) ...
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£167.14 £185.71
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Manufacturer: TOKU-E Item Number: C043-5MG
Cyclosporin B EvoPure® 5 mg CAS number 63775-95-1 and purity ≥95.0% (as is)...
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£236.02 £262.25
Manufacturer: TOKU-E Item Number: C044-5MG
Cyclosporin C EvoPure® 5 mg CAS number 59787-61-0 and purity ≥95.0% (as is)...
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£261.55 £290.61
Manufacturer: TOKU-E Item Number: C045-5MG
Cyclosporin D EvoPure® 5 mg CAS number 63775-96-2 and purity ≥95.0% (as is)...
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£340.07 £377.85
Manufacturer: TOKU-E Item Number: C046-5MG
Cyclosporin H EvoPure® 5 mg CAS number 83602-39-5 and purity ≥ 95.0%...
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£392.57 £436.19
Manufacturer: TOKU-E Item Number: C092-1G
Cyclosporin USP 1 g CAS number 59865-13-3 and purity (On Dried Basis): 98.5-101.5% ...
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£305.87 £339.85
Manufacturer: TOKU-E Item Number: C092-500MG
Cyclosporin USP 500 mg CAS number 59865-13-3 and purity (On Dried Basis): 98.5-101.5% ...
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£214.83 £238.70
Manufacturer: TOKU-E Item Number: C241-100MG
Cyromazine 100 mg CAS number 66215-27-8 and purity >= 98.0% by HPLC...
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£61.66 £68.51
Manufacturer: TOKU-E Item Number: C212-25G
Cysteamine hydrochloride 25 g CAS number 156-57-0 and purity ≥ 98.0%...
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£47.20 £52.45
Manufacturer: TOKU-E Item Number: C212-4x25G
Cysteamine hydrochloride 4 x 25 g CAS number 156-57-0 and purity ≥ 98.0%...
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£133.43 £148.25
Manufacturer: TOKU-E Item Number: C193-1MG
Cytochalasin A 1 mg CAS number 14110-64-6 and purity >95% by HPLC...
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£96.34 £107.04
Manufacturer: TOKU-E Item Number: C193-5MG
Cytochalasin A 5 mg CAS number 14110-64-6 and purity >95% by HPLC...
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£334.77 £371.96
Manufacturer: TOKU-E Item Number: C194-1MG
Cytochalasin B 1 mg CAS number 14930-96-2 and purity >95% by HPLC...
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£96.34 £107.04
Manufacturer: TOKU-E Item Number: C194-5MG
Cytochalasin B 5 mg CAS number 14930-96-2 and purity >95% by HPLC...
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£334.77 £371.96
Manufacturer: TOKU-E Item Number: C195-1MG
Cytochalasin C 1 mg CAS number 22144-76-9 and purity >95% by HPLC...
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£96.34 £107.04
Manufacturer: TOKU-E Item Number: C195-5MG
Cytochalasin C 5 mg CAS number 22144-76-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£334.77 £371.96
Manufacturer: TOKU-E Item Number: C196-1MG
Cytochalasin D 1 mg CAS number 22144-77-0 and purity >95% by HPLC...
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£126.20 £140.22
Manufacturer: TOKU-E Item Number: C196-5MG
Cytochalasin D 5 mg CAS number 22144-77-0 and purity >95% by HPLC...
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£438.81 £487.57
Manufacturer: TOKU-E Item Number: C197-1MG
Cytochalasin E 1 mg CAS number 36011-19-5 and purity >95% by HPLC...
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£99.23 £110.25
Manufacturer: TOKU-E Item Number: C197-5MG
Cytochalasin E 5 mg CAS number 36011-19-5 and purity >95% by HPLC...
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£343.92 £382.13
Manufacturer: TOKU-E Item Number: C198-1MG
Cytochalasin H 1 mg CAS number 53760-19-3 and purity >95% by HPLC...
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£126.20 £140.22
Manufacturer: TOKU-E Item Number: C198-5MG
Cytochalasin H 5 mg CAS number 53760-19-3 and purity >95% by HPLC...
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£438.81 £487.57
Manufacturer: TOKU-E Item Number: C199-1MG
Cytochalasin J 1 mg CAS number 56144-22-0 and purity >95% by HPLC...
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£128.13 £142.36
Manufacturer: TOKU-E Item Number: C199-5MG
Cytochalasin J 5 mg CAS number 56144-22-0 and purity >95% by HPLC...
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£445.07 £494.52
Manufacturer: TOKU-E Item Number: A223-1MG
D-2-Aminoglutarimide 1 mg CAS number 673485-72-8 and purity >95% by HPLC...
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£48.65 £54.06
Manufacturer: TOKU-E Item Number: A223-5MG
D-2-Aminoglutarimide 5 mg CAS number 673485-72-8 and purity >95% by HPLC...
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£166.66 £185.18
Manufacturer: TOKU-E Item Number: B010-1G
D-Biotin 1 g CAS number 58-85-5 and purity 97.5-100.5%...
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£55.87 £62.08
Manufacturer: TOKU-E Item Number: B010-25G
D-Biotin 25 g CAS number 58-85-5 and purity 97.5-100.5%...
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£680.13 £755.70
Manufacturer: TOKU-E Item Number: B010-5G
D-Biotin 5 g CAS number 58-85-5 and purity 97.5-100.5%...
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£191.71 £213.01
Manufacturer: TOKU-E Item Number: C041-1G
D-Cycloserine 1 g CAS number 68-41-7 and purity (As Is): 900μg/mg...
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£69.36 £77.07
Manufacturer: TOKU-E Item Number: C041-5G
D-Cycloserine 5 g CAS number 68-41-7 and purity (As Is): 900μg/mg...
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£252.88 £280.98
Manufacturer: TOKU-E Item Number: P107-1G
D-Penicillamine 1 g CAS number 52-67-5 and purity ≥95%...
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£34.20 £38.00
Manufacturer: TOKU-E Item Number: P107-5G
D-Penicillamine 5 g CAS number 52-67-5 and purity ≥95%...
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£113.68 £126.31
Manufacturer: TOKU-E Item Number: D072-10MG
Dabrafenib 10 mg CAS number 1195765-45-7 and purity ≥ 99.0%...
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£139.69 £155.21
Manufacturer: TOKU-E Item Number: D072-25MG
Dabrafenib 25 mg CAS number 1195765-45-7 and purity ≥ 99.0%...
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£258.18 £286.87
Manufacturer: TOKU-E Item Number: D075-1G
Dacarbazine 1 g CAS number 4342-03-04 00:00:00 and purity (On dried basis): 98.5-101.0% (Titration)...
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£360.30 £400.33
Manufacturer: TOKU-E Item Number: D075-100MG
Dacarbazine 100 mg CAS number 4342-03-04 00:00:00 and purity (On dried basis): 98.5-101.0% (Titration)...
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£78.03 £86.70
Manufacturer: TOKU-E Item Number: D014-1MG
Dalbavancin 1 mg CAS number 171500-79-1 and purity >98% by HPLC...
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£147.88 £164.31
Manufacturer: TOKU-E Item Number: D014-5MG
Dalbavancin 5 mg CAS number 171500-79-1 and purity >98% by HPLC...
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£512.51 £569.45
Manufacturer: TOKU-E Item Number: D092-10MG
Dalbavancin Hydrochloride 10mg CAS number 171500-79-1 and purity >98% by HPLC...
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£131.02 £145.57
Manufacturer: TOKU-E Item Number: D092-50MG
Dalbavancin Hydrochloride 50mg CAS number 171500-79-1 and purity >98% by HPLC...
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£468.67 £520.75
Manufacturer: TOKU-E Item Number: D034-1MG
Dalfopristin Mesylate 1 mg CAS number 112362-50-2 and purity >98% by HPLC...
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£263.96 £293.29
Manufacturer: TOKU-E Item Number: D034-5MG
Dalfopristin Mesylate 5 mg CAS number 112362-50-2 and purity >98% by HPLC...
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£921.45 £1,023.84
Manufacturer: TOKU-E Item Number: D090-100MG
Danofloxacin Mesylate 100mg CAS number 119478-55-6 and purity ≥ 98.0%...
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£60.69 £67.44
Manufacturer: TOKU-E Item Number: D090-1G
Danofloxacin Mesylate 1g CAS number 119478-55-6 and purity ≥ 98.0%...
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£291.90 £324.33
Manufacturer: TOKU-E Item Number: D024-25MG
Daptomycin 25 mg CAS number 103060-53-3 and purity ≥ 95.0%...
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£126.20 £140.22
Manufacturer: TOKU-E Item Number: D024-50MG
Daptomycin 50 mg CAS number 103060-53-3 and purity ≥ 95.0%...
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£198.45 £220.50
Manufacturer: TOKU-E Item Number: D108-10x0.5ML
Daptomycin ReadyMade™ Solution 10 x 0.5 mL CAS number 103060-53-3 and purity nan...
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£253.85 £282.05
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