2,7-Dinitro-9-p-toluolsulfonyloxy-fluoren is a complex organic compound with the molecular formula C20H14N2O7S. It is characterized by the presence of two nitro groups (NO2) at the 2nd and 7th carbon positions, a p-toluolsulfonyl group (C7H7SO2) attached to the 9th carbon position, and a hydroxyl group (OH) at the same position. 2,7-Dinitro-9-p-toluolsulfonyloxy-fluoren is a derivative of fluorene, a polycyclic aromatic hydrocarbon, and is known for its potential applications in the synthesis of various chemical compounds due to its unique structure and reactivity. The p-toluolsulfonyl group provides a protecting function for the hydroxyl group, which can be useful in organic synthesis to prevent unwanted side reactions.

1858-92-0

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Basic information
1. Product Name: 2,7-Dinitro-9-p-toluolsulfonyloxy-fluoren
2. Synonyms:
3. CAS NO:1858-92-0
4. Molecular Formula:
5. Molecular Weight: 426.406
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: 2,7-Dinitro-9-p-toluolsulfonyloxy-fluoren(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,7-Dinitro-9-p-toluolsulfonyloxy-fluoren(1858-92-0)
11. EPA Substance Registry System: 2,7-Dinitro-9-p-toluolsulfonyloxy-fluoren(1858-92-0)
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: 1858-92-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1858-92-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,5 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1858-92:
(6*1)+(5*8)+(4*5)+(3*8)+(2*9)+(1*2)=110
110 % 10 = 0
So 1858-92-0 is a valid CAS Registry Number.

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