2',4'-Dinitro-3-methoxy-diphenylselenid, also known as 2,4-dinitro-3-methoxydiphenylselenide, is an organic compound with the chemical formula C13H10N2O5Se. It is a yellow crystalline solid that is soluble in organic solvents such as ethanol and acetone. 2',4'-Dinitro-3-methoxy-diphenylselenid is characterized by the presence of two nitro groups (-NO2) at the 2' and 4' positions, a methoxy group (-OCH3) at the 3-position, and a selenium atom (Se) bridging two phenyl rings. It is used in the synthesis of various organic compounds and as a reagent in chemical reactions. Due to its potential reactivity and the presence of functional groups, it is important to handle 2',4'-Dinitro-3-methoxy-diphenylselenid with care, following appropriate safety protocols.

1657-92-7

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Basic information
1. Product Name: 2',4'-Dinitro-3-methoxy-diphenylselenid
2. Synonyms:
3. CAS NO:1657-92-7
4. Molecular Formula:
5. Molecular Weight: 353.193
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',4'-Dinitro-3-methoxy-diphenylselenid(CAS DataBase Reference)
10. NIST Chemistry Reference: 2',4'-Dinitro-3-methoxy-diphenylselenid(1657-92-7)
11. EPA Substance Registry System: 2',4'-Dinitro-3-methoxy-diphenylselenid(1657-92-7)
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: 1657-92-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1657-92-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,5 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1657-92:
(6*1)+(5*6)+(4*5)+(3*7)+(2*9)+(1*2)=97
97 % 10 = 7
So 1657-92-7 is a valid CAS Registry Number.

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