Cas 59521-06-1,4b,9b-dihydro-4b,9b,3,8-tetramethylbenzofuro(3,2-b)benzofuran

59521-06-1

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Basic information

Product Name: 4b,9b-dihydro-4b,9b,3,8-tetramethylbenzofuro(3,2-b)benzofuran
Synonyms: 4b,9b-dihydro-4b,9b,3,8-tetramethylbenzofuro(3,2-b)benzofuran
CAS NO:59521-06-1
Molecular Formula:
Molecular Weight: 266.34
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: 4b,9b-dihydro-4b,9b,3,8-tetramethylbenzofuro(3,2-b)benzofuran(CAS DataBase Reference)
NIST Chemistry Reference: 4b,9b-dihydro-4b,9b,3,8-tetramethylbenzofuro(3,2-b)benzofuran(59521-06-1)
EPA Substance Registry System: 4b,9b-dihydro-4b,9b,3,8-tetramethylbenzofuro(3,2-b)benzofuran(59521-06-1)

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: 59521-06-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 59521-06-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,5,2 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 59521-06:
(7*5)+(6*9)+(5*5)+(4*2)+(3*1)+(2*0)+(1*6)=131
131 % 10 = 1
So 59521-06-1 is a valid CAS Registry Number.

59521-06-1Upstream product

14298-17-0 2,8-dimethyl-11a-methyl-pterocarpan

59521-06-1Downstream Products

59521-06-1Relevant academic research and scientific papers

A NOVEL PHOTOCHEMICAL RING CONTRACTION OF 11a-METHYLPTEROCARPANS

Ramakanth, S.,Narayanan, K.,Balasubramanian, K. K.,Rajagopalan, K.

, p. 863 - 876 (2007/10/02)

A novel photochemical ring contraction of 6H-(benzofuro)(3,2-c)(1)11a,6a-dihydro-11a-methylbenzopyrans, 1 or shortly, 11a-methylpterocarpans to the respective 4b,9b-dihydro-4b,9b-dimethylbenzofuro(3,2-b)benzofurans 2 is reported.This transformation of 1->

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