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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: C182-1MG
Concanamycin A 1 mg CAS number 80890-47-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£921.45 £1,023.84
Manufacturer: TOKU-E Item Number: C183-0.25MG
Concanamycin B 0.25 mg CAS number 81552-33-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£263.96 £293.29
Manufacturer: TOKU-E Item Number: C183-1MG
Concanamycin B 1 mg CAS number 81552-33-2 and purity >95% by HPLC...
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£1,197.46 £1,330.51
Manufacturer: TOKU-E Item Number: C125-5MG
Conglobatin 5 mg CAS number 72263-05-9 and purity ≥ 95%...
Price excludes taxes and shipping charges. Save -10%
£377.64 £419.60
Manufacturer: TOKU-E Item Number: C270-0.1MG
Conglobatin B 0.1 mg CAS number nan and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£161.84 £179.83
Manufacturer: TOKU-E Item Number: C270-0.5MG
Conglobatin B 0.5 mg CAS number nan and purity >99% by HPLC...
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£562.12 £624.58
Manufacturer: TOKU-E Item Number: C204-10MG
Cordycepin 10 mg CAS number 73-03-0 and purity ≥ 98%...
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£120.42 £133.80
Manufacturer: TOKU-E Item Number: C204-25MG
Cordycepin 25 mg CAS number 73-03-0 and purity ≥ 98%...
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£245.66 £272.95
Manufacturer: TOKU-E Item Number: C184-1MG
Corynecin I 1 mg CAS number 4423-58-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£121.38 £134.87
Manufacturer: TOKU-E Item Number: C184-5MG
Corynecin I 5 mg CAS number 4423-58-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£420.51 £467.23
Manufacturer: TOKU-E Item Number: C185-1MG
Corynecin II 1 mg CAS number 35098-52-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£121.38 £134.87
Manufacturer: TOKU-E Item Number: C185-5MG
Corynecin II 5 mg CAS number 35098-52-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£420.51 £467.23
Manufacturer: TOKU-E Item Number: C186-1MG
Corynecin III 1 mg CAS number 18048-95-8 and purity >95% by HPLC...
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£121.38 £134.87
Manufacturer: TOKU-E Item Number: C186-5MG
Corynecin III 5 mg CAS number 18048-95-8 and purity >95% by HPLC...
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£420.51 £467.23
Manufacturer: TOKU-E Item Number: C187-1MG
Corynecin IV 1 mg CAS number 40958-11-0 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£121.38 £134.87
Manufacturer: TOKU-E Item Number: C187-5MG
Corynecin IV 5 mg CAS number 40958-11-0 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£420.51 £467.23
Manufacturer: TOKU-E Item Number: C188-1MG
Corynecin V 1 mg CAS number 40958-12-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£121.38 £134.87
Manufacturer: TOKU-E Item Number: C188-5MG
Corynecin V 5 mg CAS number 40958-12-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£420.51 £467.23
Manufacturer: TOKU-E Item Number: C271-25MG
Creatinine 25 mg CAS number 60-27-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£157.99 £175.55
Manufacturer: TOKU-E Item Number: C271-5MG
Creatinine 5 mg CAS number 60-27-5 and purity >99% by HPLC...
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£45.28 £50.31
Manufacturer: TOKU-E Item Number: C272-1MG
Cryptopleurine 1 mg CAS number 482-22-4 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£211.94 £235.49
Manufacturer: TOKU-E Item Number: C272-5MG
Cryptopleurine 5 mg CAS number 482-22-4 and purity >99% by HPLC...
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£741.31 £823.67
Manufacturer: TOKU-E Item Number: C207-10MG
Cryptotanshinone 10 mg CAS number 35825-57-1 and purity ≥ 98%...
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£142.58 £158.42
Manufacturer: TOKU-E Item Number: C207-25MG
Cryptotanshinone 25 mg CAS number 35825-57-1 and purity ≥ 98%...
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£315.50 £350.56
Manufacturer: TOKU-E Item Number: C189-1MG
Curvularin 1 mg CAS number 10140-70-2 and purity >95% by HPLC...
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£234.58 £260.64
Manufacturer: TOKU-E Item Number: C189-5MG
Curvularin 5 mg CAS number 10140-70-2 and purity >95% by HPLC...
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£819.34 £910.38
Manufacturer: TOKU-E Item Number: C220-1MG
cyclo(Delta-Ala-L-Val) 1 mg CAS number 25516-00-1 and purity >98% by HPLC...
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£233.61 £259.57
Manufacturer: TOKU-E Item Number: C220-5MG
cyclo(Delta-Ala-L-Val) 5 mg CAS number 25516-00-1 and purity >98% by HPLC...
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£813.08 £903.42
Manufacturer: TOKU-E Item Number: C221-25MG
cyclo(L-Phe-L-Pro) 25 mg CAS number 3705-26-8 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£613.66 £681.84
Manufacturer: TOKU-E Item Number: C221-5MG
cyclo(L-Phe-L-Pro) 5 mg CAS number 3705-26-8 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£176.29 £195.88
Manufacturer: TOKU-E Item Number: C222-25MG
cyclo(L-Pro-L-Tyr) 25 mg CAS number 4611-05-6 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£613.66 £681.84
Manufacturer: TOKU-E Item Number: C222-5MG
cyclo(L-Pro-L-Tyr) 5 mg CAS number 4611-05-6 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£176.29 £195.88
Manufacturer: TOKU-E Item Number: C223-25MG
cyclo(L-Pro-L-Val) 25 mg CAS number 2854-40-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£613.66 £681.84
Manufacturer: TOKU-E Item Number: C223-5MG
cyclo(L-Pro-L-Val) 5 mg CAS number 2854-40-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£176.29 £195.88
Manufacturer: TOKU-E Item Number: C190-1MG
Cycloechinulin 1 mg CAS number 143086-29-7 and purity >95% by HPLC...
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£217.24 £241.38
Manufacturer: TOKU-E Item Number: C190-5MG
Cycloechinulin 5 mg CAS number 143086-29-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£756.72 £840.80
Manufacturer: TOKU-E Item Number: C001-1G
Cycloheximide 1 g CAS number 66-81-9 and purity ≥ 900 units/mg...
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£26.01 £28.90
Manufacturer: TOKU-E Item Number: C001-10G
Cycloheximide 10 g CAS number 66-81-9 and purity ≥ 900 units/mg...
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£151.73 £168.59
Manufacturer: TOKU-E Item Number: C001-25G
Cycloheximide 25 g CAS number 66-81-9 and purity ≥ 900 units/mg...
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£310.20 £344.67
Manufacturer: TOKU-E Item Number: C001-5G
Cycloheximide 5 g CAS number 66-81-9 and purity ≥ 900 units/mg...
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£84.29 £93.66
Manufacturer: TOKU-E Item Number: C123-1G
Cycloheximide A EvoPure® 1 g CAS number 66-81-9 and purity >98% by HPLC...
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£130.05 £144.50
Manufacturer: TOKU-E Item Number: C123-500MG
Cycloheximide A EvoPure® 500 mg CAS number 66-81-9 and purity >98% by HPLC...
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£100.67 £111.86
Manufacturer: TOKU-E Item Number: C071-1G
Cycloheximide CulturePure® 1 g CAS number 66-81-9 and purity ≥ 900 units/mg...
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£61.66 £68.51
Manufacturer: TOKU-E Item Number: C071-5x1G
Cycloheximide CulturePure® 5 x 1g CAS number 66-81-9 and purity ≥ 900 units/mg...
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£167.14 £185.71
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Manufacturer: TOKU-E Item Number: C084-1ML
Cycloheximide Solution (10% in DMSO Sterile) 1 mL CAS number 66-81-9 and purity 100-105 mg/ml...
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£42.87 £47.63
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Manufacturer: TOKU-E Item Number: C084-10x1ML
Cycloheximide Solution (10% in DMSO Sterile) 10x1 mL CAS number 66-81-9 and purity 100-105 mg/ml...
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£234.10 £260.11
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Manufacturer: TOKU-E Item Number: C191-1MG
Cyclopenin 1 mg CAS number 19553-26-5 and purity >95% by HPLC...
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£213.87 £237.63
Manufacturer: TOKU-E Item Number: C191-5MG
Cyclopenin 5 mg CAS number 19553-26-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£756.72 £840.80
Manufacturer: TOKU-E Item Number: C224-1MG
Cyclopeptine 1 mg CAS number 50886-63-0 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£187.37 £208.19
Manufacturer: TOKU-E Item Number: C224-5MG
Cyclopeptine 5 mg CAS number 50886-63-0 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£651.71 £724.13
Manufacturer: TOKU-E Item Number: C192-1MG
Cyclopiazonic acid 1 mg CAS number 18172-33-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£80.92 £89.91
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