4-(9,9'-spirobifluorene-4-yl)-9H-fluoren-9-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1257321-43-9

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Basic information
1. Product Name: 4-(9,9'-spirobifluorene-4-yl)-9H-fluoren-9-one
2. Synonyms: 4-(9,9'-spirobifluorene-4-yl)-9H-fluoren-9-one
3. CAS NO:1257321-43-9
4. Molecular Formula:
5. Molecular Weight: 494.592
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 4-(9,9'-spirobifluorene-4-yl)-9H-fluoren-9-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-(9,9'-spirobifluorene-4-yl)-9H-fluoren-9-one(1257321-43-9)
11. EPA Substance Registry System: 4-(9,9'-spirobifluorene-4-yl)-9H-fluoren-9-one(1257321-43-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 1257321-43-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1257321-43-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,3,2 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1257321-43:
(9*1)+(8*2)+(7*5)+(6*7)+(5*3)+(4*2)+(3*1)+(2*4)+(1*3)=139
139 % 10 = 9
So 1257321-43-9 is a valid CAS Registry Number.

1257321-43-9Upstream product

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