Cas 91735-47-6,6-benzoyl-3,4,9,10-tetrahydro-2,2,8,8-tetramethyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran

91735-47-6

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Basic information

Product Name: 6-benzoyl-3,4,9,10-tetrahydro-2,2,8,8-tetramethyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran
Synonyms:
CAS NO:91735-47-6
Molecular Formula:
Molecular Weight: 350.458
EINECS: N/A
Product Categories: N/A
Mol File: 91735-47-6.mol
Article Data: 1

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: 6-benzoyl-3,4,9,10-tetrahydro-2,2,8,8-tetramethyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran(CAS DataBase Reference)
NIST Chemistry Reference: 6-benzoyl-3,4,9,10-tetrahydro-2,2,8,8-tetramethyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran(91735-47-6)
EPA Substance Registry System: 6-benzoyl-3,4,9,10-tetrahydro-2,2,8,8-tetramethyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran(91735-47-6)

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: 91735-47-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91735-47-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,3 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91735-47:
(7*9)+(6*1)+(5*7)+(4*3)+(3*5)+(2*4)+(1*7)=146
146 % 10 = 6
So 91735-47-6 is a valid CAS Registry Number.

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91735-47-6Relevant articles and documents

An Improved Synthesis of Benzoyl-chromans and Chromenes

Ahluwalia, V. K.,Singh, Raj P.,Singh, Rishi P.

, p. 42 - 45 (2007/10/02)

Direct nuclear isoprenylation of polyhydroxybenzophenones with 2-methylbut-1,3-diene (isoprene) in the presence of orthophosphoric acid results exclusively in the formation of benzoylchromans in good yields.These benzoylchromans on dehydrogenation with DD

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