The geosmin products listed by Sigma-Aldrich (CAS Registry number [16423-19-1]) are synthetic, and would be exactly a 50:50 mixture of the (+) and (-) isomers. Specifically, the natural (-) isomer is (4S,4aS,8aR)-4,8a-Dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-4a-ol. Therefore, the unnatural (+) isomer (the mirror image) is (4R,4aR,8aS)-4,8a-Dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-4a-ol.This information has not been confirmed by a specific rotation measurement or chiral analysis, but is known based on the method of preparation.
CRM47522
(±)-Geosmin solution
certified reference material, TraceCERT®, 100 μg/mL in methanol, ampule of 1 mL
Synonym(s):
Drinking Water Odor Standards, Odor Standards
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| Size/SKU | Availability | Price |
|---|---|---|
1 pkg | Available to ship TODAYfromMILWAUKEE | $78.30 $66.55 |
About This Item
Empirical Formula (Hill Notation):
C12H22O
CAS Number:
Molecular Weight:
182.30
MDL number:
UNSPSC Code:
77101502
NACRES:
NA.24
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product line
TraceCERT®
grade
certified reference material, TraceCERT®
CofA
current certificate can be downloaded
packaging
ampule of 1 mL
concentration
100 μg/mL in methanol
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
application(s)
environmental
format
single component solution
storage temp.
2-30°C
SMILES string
OC21C(CCCC2C)(CCCC1)C
InChI
1S/C12H22O/c1-10-6-5-8-11(2)7-3-4-9-12(10,11)13/h10,13H,3-9H2,1-2H3
InChI key
JLPUXFOGCDVKGO-UHFFFAOYSA-N
Application
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Other Notes
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
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This Item | |||
|---|---|---|---|
| application(s) environmental | application(s) environmental | application(s) cleaning products | application(s) agriculture |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| grade certified reference material, TraceCERT® | grade certified reference material, TraceCERT® | grade certified reference material, TraceCERT® | grade certified reference material, TraceCERT® |
| product line TraceCERT® | product line TraceCERT® | product line TraceCERT® | product line TraceCERT® |
| CofA current certificate can be downloaded | CofA current certificate can be downloaded | CofA current certificate can be downloaded | CofA current certificate can be downloaded |
| concentration 100 μg/mL in methanol | concentration 100 μg/mL each component in methanol | concentration 100 μg/mL in methanol | concentration 5000 μg/mL in methanol |
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signalword
Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
target_organs
Eyes,Central nervous system
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
49.5 °F - closed cup
flash_point_c
9.7 °C - closed cup
Certificates of Analysis (COA)
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