4-Chlor-5,6-dimethoxy-7-nitro-phthalid, also known as 4-chloro-5,6-dimethoxy-7-nitro-1,3-isobenzofurandione, is a chemical compound with the molecular formula C10H8ClNO5. It is a derivative of phthalide, a heterocyclic organic compound, and features a chlorine atom at the 4-position, two methoxy groups at the 5 and 6 positions, and a nitro group at the 7-position. 4-Chlor-5,6-dimethoxy-7-nitro-phthalid is typically used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of herbicides and insecticides. Due to its reactive functional groups, it can undergo further chemical reactions, making it a valuable building block in organic synthesis.

889-94-1

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Basic information
1. Product Name: 4-Chlor-5,6-dimethoxy-7-nitro-phthalid
2. Synonyms:
3. CAS NO:889-94-1
4. Molecular Formula:
5. Molecular Weight: 273.63
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-Chlor-5,6-dimethoxy-7-nitro-phthalid(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Chlor-5,6-dimethoxy-7-nitro-phthalid(889-94-1)
11. EPA Substance Registry System: 4-Chlor-5,6-dimethoxy-7-nitro-phthalid(889-94-1)
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: 889-94-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 889-94-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,8 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 889-94:
(5*8)+(4*8)+(3*9)+(2*9)+(1*4)=121
121 % 10 = 1
So 889-94-1 is a valid CAS Registry Number.

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