Cas 133901-91-4,2,2,5-trimethyl-7a,8,9,10-tetrahydrocyclopenta<5,6>pyrano<4,3,2-de><3,1>benzoxathiin-4-ol

133901-91-4

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Basic information

Product Name: 2,2,5-trimethyl-7a,8,9,10-tetrahydrocyclopenta<5,6>pyrano<4,3,2-de><3,1>benzoxathiin-4-ol
Synonyms:
CAS NO:133901-91-4
Molecular Formula:
Molecular Weight: 290.383
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: 2,2,5-trimethyl-7a,8,9,10-tetrahydrocyclopenta<5,6>pyrano<4,3,2-de><3,1>benzoxathiin-4-ol(CAS DataBase Reference)
NIST Chemistry Reference: 2,2,5-trimethyl-7a,8,9,10-tetrahydrocyclopenta<5,6>pyrano<4,3,2-de><3,1>benzoxathiin-4-ol(133901-91-4)
EPA Substance Registry System: 2,2,5-trimethyl-7a,8,9,10-tetrahydrocyclopenta<5,6>pyrano<4,3,2-de><3,1>benzoxathiin-4-ol(133901-91-4)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 133901-91-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 133901-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,9,0 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133901-91:
(8*1)+(7*3)+(6*3)+(5*9)+(4*0)+(3*1)+(2*9)+(1*1)=114
114 % 10 = 4
So 133901-91-4 is a valid CAS Registry Number.

133901-91-4Upstream product

133901-90-3 2-(1-cyclopentenylcarbonyl)-3-isopropylthio-5-methyl-1,4-benzoquinone

133901-91-4Downstream Products

133901-91-4Relevant academic research and scientific papers

Photoinduced Intramolecular Cyclization Reaction of 2-(2-Alkenoyl)-3-isopropylthio-1,4-benzoquinones to Heterocyclic Compounds

Iwamoto, Hidetoshi,Takuwa, Akio

, p. 724 - 726 (1991)

Irradiation of 2-acryloyl- and 2-(1-cycloalkenylcarbonyl)-3-isopropylthio-1,4-benzoquinones in benzene gave tricyclic and tetracyclic compounds in good yields, respectively.

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