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![(1r 3s 5s 7s)-3 8 8-trimethyl-4-oxatricyclo[5.1.0.0~3 5~]octan-2-one-5mg](https://cdn11.bigcommerce.com/s-2u2oi3cvy8/images/stencil/500x659/products/1848199/1856566/cenmed-product-image-placeholder-1-__76847.1731991467.jpg?c=1 "(1r 3s 5s 7s)-3 8 8-trimethyl-4-oxatricyclo[5.1.0.0~3 5~]octan-2-one-5mg")
Add to Cart The item has been addedT245232-1EA(1R 3S 5S 7S)-3 8 8-TRIMETHYL-4-OXATRICYCLO[5.1.0.0~3 5~]OCTAN-2-ONE-5MG
Price: $100.62List Price: $111.79Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product. -
![(1r 4r 6r)-4-isopropyl-1-methyl-7-oxabicyclo[4.1.0]heptan-2-one-50mg](https://cdn11.bigcommerce.com/s-2u2oi3cvy8/images/stencil/500x659/products/1845531/1853898/cenmed-product-image-placeholder-1-__58281.1731990442.jpg?c=1 "(1r 4r 6r)-4-isopropyl-1-methyl-7-oxabicyclo[4.1.0]heptan-2-one-50mg")
Add to Cart The item has been addedT295264-1EA(1R 4R 6R)-4-ISOPROPYL-1-METHYL-7-OXABICYCLO[4.1.0]HEPTAN-2-ONE-50MG
Price: $182.82List Price: $203.13Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product. -
![(1r 4s 5s 8s)-4 5-dibromo-9-(phenylsulfonyl)-9-azabicyclo[6.1.0]nonane-5mg](https://cdn11.bigcommerce.com/s-2u2oi3cvy8/images/stencil/500x659/products/1853170/1861537/cenmed-product-image-placeholder-1-__01328.1731993356.jpg?c=1 "(1r 4s 5s 8s)-4 5-dibromo-9-(phenylsulfonyl)-9-azabicyclo[6.1.0]nonane-5mg")
Add to Cart The item has been addedT166383-1EA(1R 4S 5S 8S)-4 5-DIBROMO-9-(PHENYLSULFONYL)-9-AZABICYCLO[6.1.0]NONANE-5MG
Price: $182.82List Price: $203.13Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product. -
![(1r 4s)-4-(4-chlorophenyl)-1-[4-(dimethylamino)-4-oxo-3 3-diphenylbutyl]-4-hydroxypiperidine 1-oxide hydrate](https://cdn11.bigcommerce.com/s-2u2oi3cvy8/images/stencil/500x659/products/1992477/2000838/cenmed-product-image-placeholder-1-__21981.1732573423.jpg?c=1 "(1r 4s)-4-(4-chlorophenyl)-1-[4-(dimethylamino)-4-oxo-3 3-diphenylbutyl]-4-hydroxypiperidine 1-oxide hydrate")
Add to Cart The item has been addedPHR2916-50MG(1R 4S)-4-(4-CHLOROPHENYL)-1-[4-(DIMETHYLAMINO)-4-OXO-3 3-DIPHENYLBUTYL]-4-HYDROXYPIPERIDINE 1-OXIDE HYDRATE
Price: $1,248.02List Price: $1,386.69General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application -
![(1r 6s)-7-[(4-bromophenyl)sulfonyl]-7-azabicyclo[4.1.0]hept-3-ene-5mg](https://cdn11.bigcommerce.com/s-2u2oi3cvy8/images/stencil/500x659/products/1852600/1860967/cenmed-product-image-placeholder-1-__52147.1731993139.jpg?c=1 "(1r 6s)-7-[(4-bromophenyl)sulfonyl]-7-azabicyclo[4.1.0]hept-3-ene-5mg")
Add to Cart The item has been addedT175420-1EA(1R 6S)-7-[(4-BROMOPHENYL)SULFONYL]-7-AZABICYCLO[4.1.0]HEPT-3-ENE-5MG
Price: $182.82List Price: $203.13Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product. -
![(1r 7s)-8 8-dichloro-4-oxabicyclo[5.1.0]octane-1mg](https://cdn11.bigcommerce.com/s-2u2oi3cvy8/images/stencil/500x659/products/1852483/1860850/cenmed-product-image-placeholder-1-__18834.1731993093.jpg?c=1 "(1r 7s)-8 8-dichloro-4-oxabicyclo[5.1.0]octane-1mg")
Add to Cart The item has been addedT177415-1EA(1R 7S)-8 8-DICHLORO-4-OXABICYCLO[5.1.0]OCTANE-1MG
Price: $182.82List Price: $203.13Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product. -
![(1r 8r)-bicyclo[6.1.0]non-6-en-2-one-5mg](https://cdn11.bigcommerce.com/s-2u2oi3cvy8/images/stencil/500x659/products/1852769/1861136/cenmed-product-image-placeholder-1-__68163.1731993204.jpg?c=1 "(1r 8r)-bicyclo[6.1.0]non-6-en-2-one-5mg")
Add to Cart The item has been addedT172650-1EA(1R 8R)-BICYCLO[6.1.0]NON-6-EN-2-ONE-5MG
Price: $182.82List Price: $203.13Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product. -
Add to Cart The item has been addedE632276-5g(1R)-1-(5-chloro-2-fluoro-3-pyridyl)ethanol (C007B-351874)
Price: $5,015.34List Price: $5,572.60(1R)-1-(5-chloro-2-fluoro-3-pyridyl)ethanol. -
Add to Cart The item has been addedPHR2148-100MG(1R)-2-(BENZYLMETHYLAMINO)-1-(3-HYDROXYPHENYL)ETHANOL (C005B-477388)
Price: $1,978.02List Price: $2,197.80General description Certified pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to pharmacopeia primary standards. Application -
Add to Cart The item has been addedO631792-5g(1R)-3-oxocyclohexane-1-carboxylic acid (C007B-381094)
Price: $6,361.83List Price: $7,068.70(1R)-3-oxocyclohexane-1-carboxylic acid. -
Add to Cart The item has been addedT679804-100mg(1R,2R)-2-tert-butoxycarbonylcyclobutanecarboxylic acid (C007B-496430)
Price: $1,460.55List Price: $1,622.84(1R,2R)-2-tert-butoxycarbonylcyclobutanecarboxylic acid. -
Add to Cart The item has been addedT679804-250mg(1R,2R)-2-tert-butoxycarbonylcyclobutanecarboxylic acid (C007B-496432)
Price: $1,871.18List Price: $2,079.09(1R,2R)-2-tert-butoxycarbonylcyclobutanecarboxylic acid.
Analytical Standards
Browse our curated selection of Analytical Standards from leading global manufacturers. Find research-grade reagents, certified standards, and specialty supplies backed by Cenmed's expert sourcing and technical support.
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About Analytical Standards
Cenmed Enterprises provides a comprehensive selection of Analytical Standards products sourced from leading global manufacturers. Our catalog spans research-grade reagents, certified standards, and specialty compounds used across clinical, academic, and industrial laboratories worldwide.
With decades of expertise in laboratory supply distribution, we offer competitive pricing, reliable stock availability, and dedicated technical support. Whether you need small quantities for research or bulk orders for manufacturing, our team is ready to assist with sourcing, compliance documentation, and logistics.