Cas 87253-40-5,4',6'-dimethyl-dispiro(cyclohexane-1,1'-[1'H,3'H]-thieno[3,4-c]furan-3,1'-cyclohexane)

87253-40-5

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Basic information

Product Name: 4',6'-dimethyl-dispiro(cyclohexane-1,1'-[1'H,3'H]-thieno[3,4-c]furan-3,1'-cyclohexane)
Synonyms: 4',6'-dimethyl-dispiro(cyclohexane-1,1'-[1'H,3'H]-thieno[3,4-c]furan-3,1'-cyclohexane)
CAS NO:87253-40-5
Molecular Formula: C18H26OS
Molecular Weight: 290.46344
EINECS: N/A
Product Categories: N/A
Mol File: 87253-40-5.mol
Article Data: 1

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: /
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 4',6'-dimethyl-dispiro(cyclohexane-1,1'-[1'H,3'H]-thieno[3,4-c]furan-3,1'-cyclohexane)(CAS DataBase Reference)
NIST Chemistry Reference: 4',6'-dimethyl-dispiro(cyclohexane-1,1'-[1'H,3'H]-thieno[3,4-c]furan-3,1'-cyclohexane)(87253-40-5)
EPA Substance Registry System: 4',6'-dimethyl-dispiro(cyclohexane-1,1'-[1'H,3'H]-thieno[3,4-c]furan-3,1'-cyclohexane)(87253-40-5)

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: 87253-40-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 87253-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,5 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87253-40:
(7*8)+(6*7)+(5*2)+(4*5)+(3*3)+(2*4)+(1*0)=145
145 % 10 = 5
So 87253-40-5 is a valid CAS Registry Number.

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87253-40-5Relevant articles and documents

Aspects of the Preparation of Cyclohexenyl- and Menthenylthioenynes via Ring-Opening of Thiophenes

Svensson, Arne,Karlsson, J. Olle,Hallberg, Anders

, p. 729 - 734 (2007/10/02)

Treatment of 2,5-dimethyl-3-(1-menthenyl)-4-bromothiophene (IIIa) and 2,5-dimethyl-3-(1-cyclohexenyl)-4-bromothiophene (IIIb) with butyllithium gave the thiodienynes Va and Vb, respectively, via ring-opening of the corresponding 3-lithio derivatives. 2,5-

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