Cas 2152-03-6,Spiro[9H-fluorene-9,9'-[9H]xanthene]-2',7'-diol

2152-03-6

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Basic information

Product Name: Spiro[9H-fluorene-9,9'-[9H]xanthene]-2',7'-diol
Synonyms:
CAS NO:2152-03-6
Molecular Formula: C25H16O3
Molecular Weight:
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: Spiro[9H-fluorene-9,9'-[9H]xanthene]-2',7'-diol(CAS DataBase Reference)
NIST Chemistry Reference: Spiro[9H-fluorene-9,9'-[9H]xanthene]-2',7'-diol(2152-03-6)
EPA Substance Registry System: Spiro[9H-fluorene-9,9'-[9H]xanthene]-2',7'-diol(2152-03-6)

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: 2152-03-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2152-03-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,5 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2152-03:
(6*2)+(5*1)+(4*5)+(3*2)+(2*0)+(1*3)=46
46 % 10 = 6
So 2152-03-6 is a valid CAS Registry Number.

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2152-03-6Relevant academic research and scientific papers

Symmetric and asymmetric spiro-type colorless poly(ester imide)s with low coefficients of thermal expansion, high glass transition temperatures, and excellent solution-processability

Hasegawa, Masatoshi,Takahashi, Shinya,Tsukuda, Soichi,Hirai, Tomoki,Ishii, Junichi,Yamashina, Yukari,Kawamura, Yoshinori

, p. 167 - 184 (2019/03/14)

In this work, we present several new poly(ester imide)s (PEsIs) with low coefficients of thermal expansion (CTE), excellent optical transparency, very high heat resistance (Tg), film ductility, and solution-processability. Symmetric and asymmet

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