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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: B051-5MG
Blasticidin A 5 mg CAS number 100513-53-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,111.72 £1,235.24
Manufacturer: TOKU-E Item Number: B052-1MG
Blasticidin S 1 mg CAS number 2079-00-7 and purity >95% by HPLC...
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£93.93 £104.36
Manufacturer: TOKU-E Item Number: B052-5MG
Blasticidin S 5 mg CAS number 2079-00-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£325.13 £361.26
Manufacturer: TOKU-E Item Number: B006-10x1ML
Blasticidin S HCl Solution (10 mg/mL in 20mM HEPES) 10 x 1 mL CAS number 3513-03-9 and purity ≥98.0%...
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£412.32 £458.13
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Manufacturer: TOKU-E Item Number: B007-20ML
Blasticidin S HCl Solution (10 mg/mL in 20mM HEPES) 20 mL CAS number 3513-03-9 and purity ≥98.0%...
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£538.04 £597.82
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Manufacturer: TOKU-E Item Number: B001-1G
Blasticidin S Hydrochloride 1 g CAS number 3513-03-9 and purity ≥98.0%...
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£1,773.06 £1,970.07
Manufacturer: TOKU-E Item Number: B001-100MG
Blasticidin S Hydrochloride 100 mg CAS number 3513-03-9 and purity ≥98.0%...
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£280.34 £311.49
Manufacturer: TOKU-E Item Number: B001-25MG
Blasticidin S Hydrochloride 25 mg CAS number 3513-03-9 and purity ≥98.0%...
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£110.79 £123.10
Manufacturer: TOKU-E Item Number: B053-10MG
Bleomycin 10 mg CAS number 9041-93-4 and purity >98% by HPLC...
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£190.75 £211.94
Manufacturer: TOKU-E Item Number: B053-50MG
Bleomycin 50 mg CAS number 9041-93-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£665.68 £739.65
Manufacturer: TOKU-E Item Number: B019-10MG
Bleomycin A2 sulfate EvoPure® 10 mg CAS number 11116-31-7 (Bleomycin A2 base) and purity ≥95% (HPLC)...
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£570.79 £634.21
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Manufacturer: TOKU-E Item Number: B004-10MG
Bleomycin A5 Hydrochloride 10 mg CAS number 55658-47-4 and purity ≥85.0%...
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£527.44 £586.04
Manufacturer: TOKU-E Item Number: B096-10x1ML
Bleomycin ReadyMade™ Solution 10 x 1 mL CAS number 11056-06-7 and purity nan...
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£486.02 £540.02
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Manufacturer: TOKU-E Item Number: B041-0.5MG
Borrelidin 0.5 mg CAS number 7184-60-3 and purity >95% by HPLC...
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£154.62 £171.80
Manufacturer: TOKU-E Item Number: B041-2.5MG
Borrelidin 2.5 mg CAS number 7184-60-3 and purity >95% by HPLC...
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£539.00 £598.89
Manufacturer: TOKU-E Item Number: B012-5MG
Brefeldin A 5 mg CAS number 20350-15-6 and purity >99.0%...
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£113.68 £126.31
Manufacturer: TOKU-E Item Number: B012-50MG
Brefeldin A 50 mg CAS number 20350-15-6 and purity >99.0%...
Price excludes taxes and shipping charges. Save -10%
£407.98 £453.31
Manufacturer: TOKU-E Item Number: B098-0.2ML
Brefeldin A ReadyMade™ Solution 0.2 mL CAS number 20350-15-6 and purity >=99.0% (HPLC)...
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£135.35 £150.39
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Manufacturer: TOKU-E Item Number: B054-1MG
Brevicompanine B 1 mg CAS number 215121-47-4 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£190.75 £211.94
Manufacturer: TOKU-E Item Number: B054-5MG
Brevicompanine B 5 mg CAS number 215121-47-4 and purity >95% by HPLC...
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£665.68 £739.65
Manufacturer: TOKU-E Item Number: B055-25MG
Bromamphenicol 25 mg CAS number 16803-75-1 and purity >95% by HPLC...
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£325.13 £361.26
Manufacturer: TOKU-E Item Number: B055-5MG
Bromamphenicol 5 mg CAS number 16803-75-1 and purity >95% by HPLC...
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£93.93 £104.36
Manufacturer: TOKU-E Item Number: B056-1MG
Bromothricin 1 mg CAS number nan and purity >95% by HPLC...
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£269.74 £299.71
Manufacturer: TOKU-E Item Number: B056-5MG
Bromothricin 5 mg CAS number nan and purity >95% by HPLC...
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£940.24 £1,044.71
Manufacturer: TOKU-E Item Number: B058-250MG
Bromoxynil 250mg CAS number 1689-84-5 and purity >97.0%...
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£25.05 £27.83
Manufacturer: TOKU-E Item Number: B093-0.25MG
Burnettramic acid A 0.25 mg CAS number 2334483-46-2 and purity >95% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£154.62 £171.80
Manufacturer: TOKU-E Item Number: B093-1MG
Burnettramic acid A 1 mg CAS number 2334483-46-2 and purity >95% (HPLC)...
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£539.00 £598.89
Manufacturer: TOKU-E Item Number: B094-0.25MG
Burnettramic acid A aglycone 0.25 mg CAS number nan and purity >95% (HPLC)...
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£154.62 £171.80
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Manufacturer: TOKU-E Item Number: B094-1MG
Burnettramic acid A aglycone 1 mg CAS number nan and purity >95% (HPLC)...
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£539.00 £598.89
Manufacturer: TOKU-E Item Number: B057-1MG
Butyrolactone I 1 mg CAS number 87414-49-1 and purity >95% by HPLC...
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£180.63 £200.70
Manufacturer: TOKU-E Item Number: B057-5MG
Butyrolactone I 5 mg CAS number 87414-49-1 and purity >95% by HPLC...
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£629.07 £698.97
Manufacturer: TOKU-E Item Number: B085-1MG
Butyrolactone II 1 mg CAS number 87414-44-6 and purity >95% (HPLC)...
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£246.62 £274.02
Manufacturer: TOKU-E Item Number: B085-5MG
Butyrolactone II 5 mg CAS number 87414-44-6 and purity >95% (HPLC)...
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£859.80 £955.33
Manufacturer: TOKU-E Item Number: B086-1MG
Butyrolactone V 1 mg CAS number 1151509-01-1 and purity >95% (HPLC)...
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£217.24 £241.38
Manufacturer: TOKU-E Item Number: B086-5MG
Butyrolactone V 5 mg CAS number 1151509-01-1 and purity >95% (HPLC)...
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£755.76 £839.73
Manufacturer: TOKU-E Item Number: B059-25MG
Butyryl-L-homoserine lactone 25 mg CAS number 67605-85-0 and purity >95% by HPLC...
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£214.83 £238.70
Manufacturer: TOKU-E Item Number: B059-5MG
Butyryl-L-homoserine lactone 5 mg CAS number 67605-85-0 and purity >95% by HPLC...
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£62.14 £69.04
Manufacturer: TOKU-E Item Number: B083-0.5MG
Byssochlamic acid 0.5 mg CAS number 743-51-1 and purity >95% (HPLC)...
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£185.45 £206.05
Manufacturer: TOKU-E Item Number: B083-2.5MG
Byssochlamic acid 2.5 mg CAS number 743-51-1 and purity >95% (HPLC)...
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£646.90 £718.77
Manufacturer: TOKU-E Item Number: C159-1MG
Caerulomycin 1 mg CAS number 21802-37-9 and purity >95% by HPLC...
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£263.96 £293.29
Manufacturer: TOKU-E Item Number: C159-5MG
Caerulomycin 5 mg CAS number 21802-37-9 and purity >95% by HPLC...
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£921.45 £1,023.84
Manufacturer: TOKU-E Item Number: C155-1G
Caffeic acid phenethyl ester (CAPE) 1 g CAS number 104594-70-9 and purity (HPLC): Not less than 99.5%...
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£560.19 £622.44
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Manufacturer: TOKU-E Item Number: C155-100MG
Caffeic acid phenethyl ester (CAPE) 100 mg CAS number 104594-70-9 and purity (HPLC): Not less than 99.5%...
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£139.69 £155.21
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Manufacturer: TOKU-E Item Number: C160-1MG
Calcimycin 1 mg CAS number 52665-69-7 and purity >95% by HPLC...
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£71.29 £79.21
Manufacturer: TOKU-E Item Number: C160-5MG
Calcimycin 5 mg CAS number 52665-69-7 and purity >95% by HPLC...
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£245.66 £272.95
Manufacturer: TOKU-E Item Number: C161-0.1MG
Calphostin C 0.1 mg CAS number 121263-19-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£190.75 £211.94
Manufacturer: TOKU-E Item Number: C161-0.5MG
Calphostin C 0.5 mg CAS number 121263-19-2 and purity >95% by HPLC...
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£664.72 £738.58
Manufacturer: TOKU-E Item Number: C070-100MG
Camptothecin (Camptotheca acuminata) 100 mg CAS number 7689-03-4 and purity >99.0%...
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£101.63 £112.93
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Manufacturer: TOKU-E Item Number: C070-250MG
Camptothecin (Camptotheca acuminata) 250 mg CAS number 7689-03-4 and purity >99.0%...
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£227.35 £252.61
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Manufacturer: TOKU-E Item Number: C070-50MG
Camptothecin (Camptotheca acuminata) 50 mg CAS number 7689-03-4 and purity >99.0%...
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£63.58 £70.65
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Manufacturer: TOKU-E Item Number: C145-100MG
Camptothecin (Mappia foetida) 100 mg CAS number 7689-03-4 and purity >99%...
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£101.63 £112.93
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