GA7, MeTMS

Formula: C₂₃H₃₂O₅Si
Molecular weight: 416.5827
IUPAC Standard InChI: InChI=1S/C23H32O5Si/c1-13-11-22-12-14(13)7-8-15(22)23-10-9-16(28-29(4,5)6)21(2,20(25)27-23)18(23)17(22)19(24)26-3/h9-10,14-18H,1,7-8,11-12H2,2-6H3/t14-,15?,16+,17?,18?,21-,22+,23-/m0/s1
IUPAC Standard InChIKey: QYWOOSKTNLXOPW-JKQFYZDSSA-N
Chemical structure:
This structure is also available as a 2d Mol file
Stereoisomers:
- GA7 methyl ester TMS ether
- Iso-GA7, MeTMS
Permanent link for this species. Use this link for bookmarking this species for future reference.
Information on this page:
Options:
- Switch to calorie-based units

Gas Chromatography

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, custom temperature program

Column type	Active phase	I	Reference	Comment
Capillary	DB-1	2541.	Pearce, Koshioka, et al., 1994	15. m/0.22 mm/0.25 μm; Program: 60(0.1 min)-200 0C at 20 deg/min; 200-300 0C at 5 deg/min
Capillary	SE-52	2517.	Hedden, Hoad, et al., 1993	25. m/0.22 mm/0.25 μm, He; Program: 50C => 15C/min => 240C => 4C/min => 300C
Capillary	SE-52	2519.	Hedden, Hoad, et al., 1993	25. m/0.22 mm/0.25 μm, He; Program: 50C => 15C/min => 240C => 4C/min => 300C

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	DB-1	2520.	Oyama, Yamauchi, et al., 1996	160. C @ 2. min, 16. K/min; Column length: 15. m; Column diameter: 0.258 mm; T_end: 280. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	DB-1	2505.	Chung, Kuo, et al., 2003	15. m/0.25 mm/0.25 μm; Program: 60 0C (0.1 min) 20 0C -> 200 0C 5 0C/min -> 300 0C
Capillary	HP-1	2486.	Matheussen, Morgan, et al., 1991	12. m/0.2 mm/0.33 μm, He; Program: 60C(1min) => 15C/min => 200C => 5C/min => 270C

References

Go To: Top, Gas Chromatography, Notes

Pearce, Koshioka, et al., 1994
Pearce, D.W.; Koshioka, M.; Pharis, R.P., Chromatography of gibberellins, J. Chromatogr. A, 1994, 658, 1, 91-122, https://doi.org/10.1016/0021-9673(94)85210-3 . [all data]

Hedden, Hoad, et al., 1993
Hedden, P.; Hoad, G.V.; Gaskin, P.; Lewis, M.J.; Green, J.R.; Furber, M.; Mander, L.N., Kaurenoids and gibberellins, including the newly characterized gibberellin A₈₈, in developing apple seeds, Phytochemistry, 1993, 32, 2, 231-237, https://doi.org/10.1016/S0031-9422(00)94973-2 . [all data]

Oyama, Yamauchi, et al., 1996
Oyama, N.; Yamauchi, T.; Yamane, H.; Murofushi, N.; Agatsuma, M.; Pour, M.; Mander, L.N., Identification of gibberellins and 9,15-cyclogibberellins in developing apple seeds, Biosci. Biotechnol. Biochem., 1996, 60, 2, 305-308, https://doi.org/10.1271/bbb.60.305 . [all data]

Chung, Kuo, et al., 2003
Chung, J.-D.; Kuo, S.-R.; Chien, C.-T., Identification and quantification of gibberellin transformation and dosage changes in good and poor flowering clones of Calocedrus formosana grafts, Taiwan J. For. Sci., 2003, 18, 4, 387-400. [all data]

Matheussen, Morgan, et al., 1991
Matheussen, A.-M.; Morgan, P.W.; Frederiksen, R.A., Implication of gibberellins in head smut (Sporisorium reilianum) of Sorghum bicolor, Plant Physiol., 1991, 96, 2, 537-544, https://doi.org/10.1104/pp.96.2.537 . [all data]

Notes

Go To: Top, Gas Chromatography, References

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
Customer support for NIST Standard Reference Data products.