Cas 157635-40-0,(8E,12E,14E)-(1R,4S,6R,11R,18R,19R,22S)-6,19,22-Trihydroxy-4-[(Z)-(S)-2-hydroxy-5-((R)-hydroxy-phenyl-methyl)-4-oxo-non-2-enyl]-9,11,20-trimethyl-3,17-dioxa-tricyclo[13.6.1.0<sup>18,22</sup>]docosa-8,12,14,20-tetraen-2-one

157635-40-0

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Basic information

Product Name: (8E,12E,14E)-(1R,4S,6R,11R,18R,19R,22S)-6,19,22-Trihydroxy-4-[(Z)-(S)-2-hydroxy-5-((R)-hydroxy-phenyl-methyl)-4-oxo-non-2-enyl]-9,11,20-trimethyl-3,17-dioxa-tricyclo[13.6.1.0^18,22]docosa-8,12,14,20-tetraen-2-one
Synonyms:
CAS NO:157635-40-0
Molecular Formula:
Molecular Weight: 664.836
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: (8E,12E,14E)-(1R,4S,6R,11R,18R,19R,22S)-6,19,22-Trihydroxy-4-[(Z)-(S)-2-hydroxy-5-((R)-hydroxy-phenyl-methyl)-4-oxo-non-2-enyl]-9,11,20-trimethyl-3,17-dioxa-tricyclo[13.6.1.0^18,22]docosa-8,12,14,20-tetraen-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (8E,12E,14E)-(1R,4S,6R,11R,18R,19R,22S)-6,19,22-Trihydroxy-4-[(Z)-(S)-2-hydroxy-5-((R)-hydroxy-phenyl-methyl)-4-oxo-non-2-enyl]-9,11,20-trimethyl-3,17-dioxa-tricyclo[13.6.1.0^18,22]docosa-8,12,14,20-tetraen-2-one(157635-40-0)
EPA Substance Registry System: (8E,12E,14E)-(1R,4S,6R,11R,18R,19R,22S)-6,19,22-Trihydroxy-4-[(Z)-(S)-2-hydroxy-5-((R)-hydroxy-phenyl-methyl)-4-oxo-non-2-enyl]-9,11,20-trimethyl-3,17-dioxa-tricyclo[13.6.1.0^18,22]docosa-8,12,14,20-tetraen-2-one(157635-40-0)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 157635-40-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 157635-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,3 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 157635-40:
(8*1)+(7*5)+(6*7)+(5*6)+(4*3)+(3*5)+(2*4)+(1*0)=150
150 % 10 = 0
So 157635-40-0 is a valid CAS Registry Number.

157635-40-0Upstream product

123892-21-7 C₂₅H₃₂O₇

157635-40-0Downstream Products

157635-40-0Relevant academic research and scientific papers

Semi-synthetic C23-substituted milbemycins via spiroacetal cleavage and resynthesis

Baker,Baker, Geoffrey H.,Hudner,Hudner, Joseph F.,Hussain,Hussain, Nigel,Morgan,Morgan, David O.,Dorgan,Dorgan, Roderick J. J.

, p. 2385 - 2388 (1994)

The lactone intermediates (2) and (3) are converted by lithium acetylide chemistry followed by mercury catalysed hydration to novel semi-synthetic 23-oxo C24 and C25 substituted milbemycins (7).

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