Calcitrol
Analytical Profiles of Drug Substances, ISSN: 0099-5428, Vol: 8, Issue: C, Page: 83-100
1979
- 2Citations
- 1Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
This chapter provides an overview of calcitrol. Calcitrol is an odorless white crystalline powder. The infrared spectrum of calcitrol is shown in the chapter. The spectrum has been recorded on a Perkin–Elmer Model 283 Grating Infrared Spectrophotometer and has been measured in a KBr pellet that contains 1 mg of calcitrol in 300 mg of KBr. The low-resolution mass spectrum of calcitrol is also shown in the chapter. The spectrum has been obtained using a Varian MAT CH5 spectrometer that is interfaced with a Varian data system 620 I. The data system accepts the output of the spectrometer, calculates the masses, compares the intensities to the base peak, and plots this information as a series of lines whose heights are proportional to the intensities. The molecular ion has been measured at m / e = 416. Other characteristic masses have been observed at m / e = 398, 380 and 362, corresponding to the loss of one, two and three molecules of water, respectively, from the molecular ion; m / e = 383, corresponding to the loss of water and CH 3 from the parent peak; and m / e = 365, corresponding to the loss of two water molecules and one CH 3 from the molecular ion. The base peak is observed at m / e 3= 134.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0099542808601148; http://dx.doi.org/10.1016/s0099-5428(08)60114-8; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=77956919304&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0099542808601148; http://linkinghub.elsevier.com/retrieve/pii/S0099542808601148; http://dx.doi.org/10.1016/s0099-5428%2808%2960114-8; https://dx.doi.org/10.1016/s0099-5428%2808%2960114-8
Elsevier BV
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