Cas 131944-49-5,(13E,16E,20E)-(1R,9S,12R,15R,19S,23S,25S,26R,27S,29R)-19-Allyl-1-hydroxy-12-((1R,3R,4R)-4-hydroxy-3-methoxy-cyclohexyl)-25,27-dimethoxy-13,15,21,23,29-pentamethyl-11,30-dioxa-4-aza-tricyclo[24.3.1.0<sup>4,9</sup>]triaconta-13,16,20-triene-2,3,10,18-tetraone

131944-49-5

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Product Name: (13E,16E,20E)-(1R,9S,12R,15R,19S,23S,25S,26R,27S,29R)-19-Allyl-1-hydroxy-12-((1R,3R,4R)-4-hydroxy-3-methoxy-cyclohexyl)-25,27-dimethoxy-13,15,21,23,29-pentamethyl-11,30-dioxa-4-aza-tricyclo[24.3.1.0^4,9]triaconta-13,16,20-triene-2,3,10,18-tetraone
Synonyms:
CAS NO:131944-49-5
Molecular Formula:
Molecular Weight: 786.016
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (13E,16E,20E)-(1R,9S,12R,15R,19S,23S,25S,26R,27S,29R)-19-Allyl-1-hydroxy-12-((1R,3R,4R)-4-hydroxy-3-methoxy-cyclohexyl)-25,27-dimethoxy-13,15,21,23,29-pentamethyl-11,30-dioxa-4-aza-tricyclo[24.3.1.0^4,9]triaconta-13,16,20-triene-2,3,10,18-tetraone(CAS DataBase Reference)
NIST Chemistry Reference: (13E,16E,20E)-(1R,9S,12R,15R,19S,23S,25S,26R,27S,29R)-19-Allyl-1-hydroxy-12-((1R,3R,4R)-4-hydroxy-3-methoxy-cyclohexyl)-25,27-dimethoxy-13,15,21,23,29-pentamethyl-11,30-dioxa-4-aza-tricyclo[24.3.1.0^4,9]triaconta-13,16,20-triene-2,3,10,18-tetraone(131944-49-5)
EPA Substance Registry System: (13E,16E,20E)-(1R,9S,12R,15R,19S,23S,25S,26R,27S,29R)-19-Allyl-1-hydroxy-12-((1R,3R,4R)-4-hydroxy-3-methoxy-cyclohexyl)-25,27-dimethoxy-13,15,21,23,29-pentamethyl-11,30-dioxa-4-aza-tricyclo[24.3.1.0^4,9]triaconta-13,16,20-triene-2,3,10,18-tetraone(131944-49-5)

Safety Data

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Safety Statements: N/A
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RTECS:
HazardClass: N/A
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Hazardous Substances Data: 131944-49-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 131944-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,4 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131944-49:
(8*1)+(7*3)+(6*1)+(5*9)+(4*4)+(3*4)+(2*4)+(1*9)=125
125 % 10 = 5
So 131944-49-5 is a valid CAS Registry Number.

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131944-49-5Relevant academic research and scientific papers

THERMAL REARRANGEMENT OF THE IMMUNOSUPPRESSANT FK-506

Ok, H.,Arison, B. H.,Ball, R. G.,Beatti, T. R.,Fisher, M. H.,Wyvratt, M. J.

, p. 6477 - 6480 (1990)

Treatment of FK-506 in xylene at reflux results in a sigmatropic rearrangement of the allylic ester portion of the molecule to give a new ring expanded macrolide.

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