Cas 135580-22-2,9,10-dihydro-9-hydroxy-4-methyl-3-phenyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran-2-one

135580-22-2

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Basic information

Product Name: 9,10-dihydro-9-hydroxy-4-methyl-3-phenyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran-2-one
Synonyms: 9,10-dihydro-9-hydroxy-4-methyl-3-phenyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran-2-one
CAS NO:135580-22-2
Molecular Formula:
Molecular Weight: 308.334
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: 9,10-dihydro-9-hydroxy-4-methyl-3-phenyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran-2-one(CAS DataBase Reference)
NIST Chemistry Reference: 9,10-dihydro-9-hydroxy-4-methyl-3-phenyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran-2-one(135580-22-2)
EPA Substance Registry System: 9,10-dihydro-9-hydroxy-4-methyl-3-phenyl-2H,8H-benzo<1,2-b:3,4-b'>dipyran-2-one(135580-22-2)

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: 135580-22-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 135580-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,5,8 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 135580-22:
(8*1)+(7*3)+(6*5)+(5*5)+(4*8)+(3*0)+(2*2)+(1*2)=122
122 % 10 = 2
So 135580-22-2 is a valid CAS Registry Number.

135580-22-2Upstream product

115952-38-0 8-allyl-7-hydroxy-4-methyl-3-phenylcoumarin

135580-22-2Downstream Products

135580-22-2Relevant academic research and scientific papers

Synthesis of 9,10-hydroxy-9-hydroxy-2H,8H-benzo-[1,2-b:3,4-b']dipyran-2-ones

Satyanarayana,Rao Ch.,Krupadanam,Srimannarayana

, p. 661 - 668 (1991)

Oxidation of o-allyl-7-hydroxycoumarins with m-CPBA gave the corresponding 9,10-dihydro-9-hydroxy-2H,-8H-benzo [1,2-b:3,4-b'] dipyran-2-ones.

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