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.

Brand: TOKU-E Item Number: P005-5G
Penicillin G Potassium EP 5 g CAS number 113-98-4 and purity (On Dried Basis): ≥96.0%...
Price excludes taxes and shipping charges. Save -10%
£138.72 £154.14
Brand: TOKU-E Item Number: P028-10MU
Penicillin G Potassium USP 10 MU CAS number 113-98-4 and purity (On Dried Basis): 1440-1680 u/mg...
Price excludes taxes and shipping charges. Save -10%
£34.20 £38.00
Brand: TOKU-E Item Number: P028-100MU
Penicillin G Potassium USP 100 MU CAS number 113-98-4 and purity (On Dried Basis): 1440-1680 u/mg...
Price excludes taxes and shipping charges. Save -10%
£120.42 £133.80
Brand: TOKU-E Item Number: P016-1G
Penicillin G sodium salt EP 1 g CAS number 69-57-8 and purity (On Dried Basis): 96-102%...
Price excludes taxes and shipping charges. Save -10%
£47.20 £52.45
Brand: TOKU-E Item Number: P016-5G
Penicillin G sodium salt EP 5 g CAS number 69-57-8 and purity (On Dried Basis): 96-102%...
Price excludes taxes and shipping charges. Save -10%
£135.35 £150.39
Brand: TOKU-E Item Number: P006-100MU
Penicillin G Sodium, USP 100 MU CAS number 69-57-8 and purity (On Dried Basis): 1500-1750 U/mg...
Price excludes taxes and shipping charges. Save -10%
£131.02 £145.57
Brand: TOKU-E Item Number: P006-25MU
Penicillin G Sodium, USP 25 MU CAS number 69-57-8 and purity (On Dried Basis): 1500-1750 U/mg...
Price excludes taxes and shipping charges. Save -10%
£45.28 £50.31
Brand: TOKU-E Item Number: P027-10G
Penicillin V potassium 10 g CAS number 132-98-9 and purity (On Dried Basis): 95-102%...
Price excludes taxes and shipping charges. Save -10%
£45.28 £50.31
Brand: TOKU-E Item Number: P027-25G
Penicillin V potassium 25 g CAS number 132-98-9 and purity (On Dried Basis): 95-102%...
Price excludes taxes and shipping charges. Save -10%
£76.11 £84.56
Brand: TOKU-E Item Number: P147-1MG
Penicinoline 1 mg CAS number 1214268-60-6 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£217.24 £241.38
Brand: TOKU-E Item Number: P147-5MG
Penicinoline 5 mg CAS number 1214268-60-6 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£755.76 £839.73
Brand: TOKU-E Item Number: P152-0.1MG
Penicolinate B 0.1 mg CAS number 1418291-70-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£154.62 £171.80
Brand: TOKU-E Item Number: P152-0.5MG
Penicolinate B 0.5 mg CAS number 1418291-70-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£539.00 £598.89
Brand: TOKU-E Item Number: P074-0.5MG
Penigequinolone A 0.5 mg CAS number 180045-91-4 and purity >99% by HPLC (total epimers)...
Price excludes taxes and shipping charges. Save -10%
£251.44 £279.37
Brand: TOKU-E Item Number: P074-2.5MG
Penigequinolone A 2.5 mg CAS number 180045-91-4 and purity >99% by HPLC (total epimers)...
Price excludes taxes and shipping charges. Save -10%
£875.21 £972.46
Brand: TOKU-E Item Number: P153-0.1MG
Penipurdin A 0.1 mg CAS number 1821668-16-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£165.22 £183.57
Brand: TOKU-E Item Number: P153-0.5MG
Penipurdin A 0.5 mg CAS number 1821668-16-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£574.16 £637.96
Brand: TOKU-E Item Number: P075-1MG
Penitrem A 1 mg CAS number 12627-35-9 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£123.79 £137.55
Brand: TOKU-E Item Number: P075-5MG
Penitrem A 5 mg CAS number 12627-35-9 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£429.18 £476.86
Brand: TOKU-E Item Number: P154-0.1MG
Pentalenic acid 0.1 mg CAS number 69394-19-0 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£154.62 £171.80
Brand: TOKU-E Item Number: P154-0.5MG
Pentalenic acid 0.5 mg CAS number 69394-19-0 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£539.00 £598.89
Brand: TOKU-E Item Number: P113-25MG
Pentamidine 25 mg CAS number 100-33-4 and purity ≥98%...
Price excludes taxes and shipping charges. Save -10%
£334.77 £371.96
Brand: TOKU-E Item Number: P114-1G
Pentamidine isethionate salt 1 g CAS number 140-64-7 and purity ≥98%...
Price excludes taxes and shipping charges. Save -10%
£141.61 £157.35
Brand: TOKU-E Item Number: P114-250MG
Pentamidine isethionate salt 250 mg CAS number 140-64-7 and purity ≥98%...
Price excludes taxes and shipping charges. Save -10%
£71.29 £79.21
Brand: TOKU-E Item Number: P076-1MG
Pentostatin 1 mg CAS number 53910-25-1 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£228.32 £253.68
Brand: TOKU-E Item Number: P076-5MG
Pentostatin 5 mg CAS number 53910-25-1 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£795.25 £883.62
Brand: TOKU-E Item Number: P109-5ML
PEPP 5 mL CAS number nan and purity nan...
Price excludes taxes and shipping charges. Save -10%
£57.80 £64.22
Brand: TOKU-E Item Number: P155-0.1MG
Pepstatin A 0.1 mg CAS number 26305-03-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£63.10 £70.11
Brand: TOKU-E Item Number: P155-0.5MG
Pepstatin A 0.5 mg CAS number 26305-03-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£218.20 £242.45
Brand: TOKU-E Item Number: P106-10MG
Permethrin 10 mg CAS number 52645-53-1 and purity ≥95%...
Price excludes taxes and shipping charges. Save -10%
£24.08 £26.76
Brand: TOKU-E Item Number: P106-50MG
Permethrin 50 mg CAS number 52645-53-1 and purity ≥95%...
Price excludes taxes and shipping charges. Save -10%
£59.73 £66.36
Brand: TOKU-E Item Number: P077-0.5MG
Pestalotin 0.5 mg CAS number 34565-32-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£251.44 £279.37
Brand: TOKU-E Item Number: P077-2.5MG
Pestalotin 2.5 mg CAS number 34565-32-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£875.21 £972.46
Brand: TOKU-E Item Number: P115-5MG
Pexiganan acetate 5 mg CAS number 172820-23-4 and purity ≥98%...
Price excludes taxes and shipping charges. Save -10%
£265.41 £294.90
Brand: TOKU-E Item Number: P104-5MG
PGLa 5mg CAS number 102068-15-5 and purity ≥98%...
Price excludes taxes and shipping charges. Save -10%
£528.88 £587.65
Brand: TOKU-E Item Number: P078-1MG
Phenelfamycin E 1 mg CAS number 114451-31-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£269.74 £299.71
Brand: TOKU-E Item Number: P078-5MG
Phenelfamycin E 5 mg CAS number 114451-31-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£940.24 £1,044.71
Brand: TOKU-E Item Number: P149-1MG
Phenylpyropene A 1 mg CAS number 189564-20-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£217.24 £241.38
Brand: TOKU-E Item Number: P149-5MG
Phenylpyropene A 5 mg CAS number 189564-20-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£755.76 £839.73
Brand: TOKU-E Item Number: P079-100G
Phloroglucinol 100 g CAS number 108-73-6 and purity ≥99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£98.26 £109.18
Brand: TOKU-E Item Number: P079-25G
Phloroglucinol 25 g CAS number 108-73-6 and purity ≥99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£36.61 £40.68
Brand: TOKU-E Item Number: P080-1MG
Phomopsin A 1 mg CAS number 64925-80-0 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£339.10 £376.78
Brand: TOKU-E Item Number: P080-5MG
Phomopsin A 5 mg CAS number 64925-80-0 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,183.01 £1,314.45
Brand: TOKU-E Item Number: P156-0.1MG
Phomopsinamine 0.1 mg CAS number 89085-54-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£154.62 £171.80
Brand: TOKU-E Item Number: P156-0.5MG
Phomopsinamine 0.5 mg CAS number 89085-54-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£539.00 £598.89
Brand: TOKU-E Item Number: P043-25G
Picloram 25 g CAS number 1918-02-1 and purity ≥95%...
Price excludes taxes and shipping charges. Save -10%
£422.43 £469.37
Brand: TOKU-E Item Number: P043-5G
Picloram 5 g CAS number 1918-02-1 and purity ≥95%...
Price excludes taxes and shipping charges. Save -10%
£117.05 £130.05
Brand: TOKU-E Item Number: P081-1MG
Piericidin A 1 mg CAS number 2738-64-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£196.04 £217.83
Brand: TOKU-E Item Number: P081-5MG
Piericidin A 5 mg CAS number 2738-64-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£678.69 £754.10
Brand: TOKU-E Item Number: P157-0.5MG
Pikromycin 0.5 mg CAS number 19721-56-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£154.62 £171.80
Brand: TOKU-E Item Number: P157-2.5MG
Pikromycin 2.5 mg CAS number 19721-56-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£539.00 £598.89
Showing 2041 to 2091 of 2783 (55 Pages)
Product Filter