3,3',4-Trimethoxy-diphenylmethan, also known as 1,1'-(1,3-phenylene)bis(3-methoxybenzene), is an organic compound with the chemical formula C17H18O3. It is a colorless to pale yellow crystalline solid that is soluble in organic solvents. 3,3',4-Trimethoxy-diphenylmethan is characterized by its two phenyl rings connected by a methylene bridge (-CH2-) and three methoxy groups attached to the phenyl rings. It is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of certain pesticides and dyes. Due to its aromatic structure and methoxy substituents, 3,3',4-Trimethoxy-diphenylmethan exhibits unique chemical properties that make it valuable in the development of new compounds with specific functionalities.

790-70-5

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Basic information
1. Product Name: 3,3',4-Trimethoxy-diphenylmethan
2. Synonyms:
3. CAS NO:790-70-5
4. Molecular Formula:
5. Molecular Weight: 258.317
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: 3,3',4-Trimethoxy-diphenylmethan(CAS DataBase Reference)
10. NIST Chemistry Reference: 3,3',4-Trimethoxy-diphenylmethan(790-70-5)
11. EPA Substance Registry System: 3,3',4-Trimethoxy-diphenylmethan(790-70-5)
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: 790-70-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 790-70-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,9 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 790-70:
(5*7)+(4*9)+(3*0)+(2*7)+(1*0)=85
85 % 10 = 5
So 790-70-5 is a valid CAS Registry Number.

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