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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: S106-1G
Sulfapyridine Sodium 1 g CAS number 127-57-1 and purity 99-102%...
Price excludes taxes and shipping charges. Save -10%
£64.55 £71.72
Manufacturer: TOKU-E Item Number: S106-5G
Sulfapyridine Sodium 5 g CAS number 127-57-1 and purity 99-102%...
Price excludes taxes and shipping charges. Save -10%
£237.47 £263.85
Manufacturer: TOKU-E Item Number: S065-100G
Sulfapyridine USP 100 g CAS number 144-83-2 and purity (by titration): 99-100.5%...
Price excludes taxes and shipping charges. Save -10%
£173.40 £192.67
Manufacturer: TOKU-E Item Number: S065-25G
Sulfapyridine USP 25 g CAS number 144-83-2 and purity (by titration): 99-100.5%...
Price excludes taxes and shipping charges. Save -10%
£74.18 £82.42
Manufacturer: TOKU-E Item Number: S129-10G
Sulfasalazine 10 g CAS number 599-79-1 and purity 97 - 101.5 % (on dried basis)...
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£56.84 £63.15
Manufacturer: TOKU-E Item Number: S129-5G
Sulfasalazine 5 g CAS number 599-79-1 and purity 97 - 101.5 % (on dried basis)...
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£39.50 £43.89
Manufacturer: TOKU-E Item Number: S014-100G
Sulfathiazole Sodium 100 g CAS number 144-74-1 and purity (On Dried Basis): 99.0% - 101.0%...
Price excludes taxes and shipping charges. Save -10%
£47.20 £52.45
Manufacturer: TOKU-E Item Number: S120-5G
Sulfisoxazole 5 g CAS number 127-69-5 and purity ≥98% (HPLC)...
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£95.37 £105.97
Manufacturer: TOKU-E Item Number: S072-1MG
Sulochrin 1 mg CAS number 519-57-3 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£187.37 £208.19
Manufacturer: TOKU-E Item Number: S072-5MG
Sulochrin 5 mg CAS number 519-57-3 and purity >99% by HPLC...
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£651.71 £724.13
Manufacturer: TOKU-E Item Number: S104-0.5MG
Sultriecin 0.5 mg CAS number 131774-59-9 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£275.52 £306.13
Manufacturer: TOKU-E Item Number: S104-2.5MG
Sultriecin 2.5 mg CAS number 131774-59-9 and purity >98% by HPLC...
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£959.02 £1,065.58
Manufacturer: TOKU-E Item Number: S018-10MG
Synercid 10 mg CAS number 126602-89-9 and purity >98% by HPLC...
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£195.56 £217.29
Manufacturer: TOKU-E Item Number: S136-25MG
Syringic acid 25 mg CAS number 530-57-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£163.77 £181.97
Manufacturer: TOKU-E Item Number: S136-5MG
Syringic acid 5 mg CAS number 530-57-4 and purity >98% by HPLC...
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£47.20 £52.45
Manufacturer: TOKU-E Item Number: T062-1G
Tamoxifen 1 g CAS number 10540-29-1 and purity ≥ 99.0%...
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£251.92 £279.91
Manufacturer: TOKU-E Item Number: T066-0.5MG
TAN 1364B 0.5 mg CAS number 154639-24-4 and purity >95% by HPLC...
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£245.66 £272.95
Manufacturer: TOKU-E Item Number: T066-2.5MG
TAN 1364B 2.5 mg CAS number 154639-24-4 and purity >95% by HPLC...
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£857.87 £953.19
Manufacturer: TOKU-E Item Number: T067-0.5MG
TAN 420C 0.5 mg CAS number 91700-91-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£312.13 £346.81
Manufacturer: TOKU-E Item Number: T067-2.5MG
TAN 420C 2.5 mg CAS number 91700-91-3 and purity >95% by HPLC...
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£1,089.56 £1,210.62
Manufacturer: TOKU-E Item Number: T068-0.5MG
TAN 420E 0.5 mg CAS number 91700-93-5 and purity >95% by HPLC...
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£312.13 £346.81
Manufacturer: TOKU-E Item Number: T068-2.5MG
TAN 420E 2.5 mg CAS number 91700-93-5 and purity >95% by HPLC...
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£1,089.56 £1,210.62
Manufacturer: TOKU-E Item Number: T001-1G
Tazobactam 1 g CAS number 89786-04-9 and purity (On Dried Basis): Not less than 94.0%...
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£88.63 £98.48
Manufacturer: TOKU-E Item Number: T001-5G
Tazobactam 5 g CAS number 89786-04-9 and purity (On Dried Basis): ≥ 94.0%...
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£379.56 £421.74
Manufacturer: TOKU-E Item Number: T031-100MG
Tazobactam Sodium 100 mg CAS number 89785-84-2 and purity (Dried Tazobactam): ≥ 87.5%...
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£129.09 £143.43
Manufacturer: TOKU-E Item Number: T031-500MG
Tazobactam Sodium 500 mg CAS number 89785-84-2 and purity (Dried Tazobactam): ≥ 87.5%...
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£412.32 £458.13
Manufacturer: TOKU-E Item Number: T117-10MG
Tedizolid 10mg CAS number 856866-72-3 and purity ≥99.0% (by HPLC)...
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£231.21 £256.90
Manufacturer: TOKU-E Item Number: T117-50MG
Tedizolid 50mg CAS number 856866-72-3 and purity ≥99.0% (by HPLC)...
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£605.47 £672.75
Manufacturer: TOKU-E Item Number: T118-10MG
Tedizolid Phosphate 10mg CAS number 856867-55-5 and purity ≥99.0% (by HPLC)...
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£131.02 £145.57
Manufacturer: TOKU-E Item Number: T118-50MG
Tedizolid Phosphate 50mg CAS number 856867-55-5 and purity ≥99.0% (by HPLC)...
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£202.79 £225.32
Manufacturer: TOKU-E Item Number: T002-1G
Teicoplanin 1 g CAS number 61036-62-2 and purity (On Dried Basis): ≥ 900 µg/mg...
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£560.19 £622.44
Manufacturer: TOKU-E Item Number: T002-100MG
Teicoplanin 100 mg CAS number 61036-62-2 and purity (On Dried Basis): ≥ 900 µg/mg...
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£99.23 £110.25
Manufacturer: TOKU-E Item Number: T070-1MG
Teicoplanin A2-2 1 mg CAS number 91032-26-7 and purity >95% by HPLC...
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£210.01 £233.35
Manufacturer: TOKU-E Item Number: T070-5MG
Teicoplanin A2-2 5 mg CAS number 91032-26-7 and purity >95% by HPLC...
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£731.19 £812.43
Manufacturer: TOKU-E Item Number: T071-1MG
Teicoplanin A2-3 1 mg CAS number 91032-36-9 and purity >95% by HPLC...
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£210.01 £233.35
Manufacturer: TOKU-E Item Number: T071-5MG
Teicoplanin A2-3 5 mg CAS number 91032-36-9 and purity >95% by HPLC...
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£731.19 £812.43
Manufacturer: TOKU-E Item Number: T072-1MG
Teicoplanin A2-4 1 mg CAS number 91032-37-0 and purity >95% by HPLC...
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£210.01 £233.35
Manufacturer: TOKU-E Item Number: T072-5MG
Teicoplanin A2-4 5 mg CAS number 91032-37-0 and purity >95% by HPLC...
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£731.19 £812.43
Manufacturer: TOKU-E Item Number: T073-1MG
Teicoplanin A2-5 1 mg CAS number 91032-38-1 and purity >95% by HPLC...
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£210.01 £233.35
Manufacturer: TOKU-E Item Number: T073-5MG
Teicoplanin A2-5 5 mg CAS number 91032-38-1 and purity >95% by HPLC...
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£731.19 £812.43
Manufacturer: TOKU-E Item Number: T074-1MG
Teicoplanin A3-1 1 mg CAS number 93616-27-4 and purity >95% by HPLC...
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£210.01 £233.35
Manufacturer: TOKU-E Item Number: T074-5MG
Teicoplanin A3-1 5 mg CAS number 93616-27-4 and purity >95% by HPLC...
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£731.19 £812.43
Manufacturer: TOKU-E Item Number: T126-100MG
Telavancin Hydrochloride 100mg CAS number 560130-42-9 and purity >95% ...
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£610.29 £678.10
Manufacturer: TOKU-E Item Number: T126-10MG
Telavancin Hydrochloride 10mg CAS number 560130-42-9 and purity >95% ...
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£125.24 £139.15
Manufacturer: TOKU-E Item Number: T075-1MG
Teleocidin A1 1 mg CAS number 70497-14-2 and purity >98% by HPLC...
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£263.96 £293.29
Manufacturer: TOKU-E Item Number: T075-5MG
Teleocidin A1 5 mg CAS number 70497-14-2 and purity >98% by HPLC...
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£921.45 £1,023.84
Manufacturer: TOKU-E Item Number: T015-10MG
Telithromycin 10 mg CAS number 191114-48-4 and purity (HPLC As Is): ≥90%...
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£220.13 £244.59
Manufacturer: TOKU-E Item Number: T076-0.5MG
Telomycin 0.5 mg CAS number 19246-24-3 and purity >95% by HPLC...
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£332.84 £369.82
Manufacturer: TOKU-E Item Number: T076-2.5MG
Telomycin 2.5 mg CAS number 19246-24-3 and purity >95% by HPLC...
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£1,159.89 £1,288.76
Manufacturer: TOKU-E Item Number: T130-10MG
Temocillin Disodium 10 mg CAS number 61545-06-0 and purity (On Dried Basis): 98-102%...
Price excludes taxes and shipping charges. Save -10%
£321.28 £356.98
Manufacturer: TOKU-E Item Number: T130-100MG
Temocillin Disodium 100 mg CAS number 61545-06-0 and purity (On Dried Basis): 98-102%...
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£1,280.31 £1,422.56
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