ω-Chlormethansulfonyl-acetophenon, also known as ω-chloroacetophenon methanesulfonate, is a chemical compound with the molecular formula C9H9ClO3S. It is a derivative of acetophenone, where a methanesulfonyl group replaces one of the hydrogen atoms on the phenyl ring, and a chlorine atom is attached to the carbon adjacent to the carbonyl group. ω-Chlormethansulfonyl-acetophenon is often used as a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. It is known for its reactivity and can participate in a range of chemical transformations, such as nucleophilic substitutions and eliminations. Due to its potential applications and reactivity, ω-chloroacetophenon methanesulfonate is a significant compound in the field of organic chemistry.

90649-90-4

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Basic information
1. Product Name: ω-Chlormethansulfonyl-acetophenon
2. Synonyms: ω-Chlormethansulfonyl-acetophenon
3. CAS NO:90649-90-4
4. Molecular Formula:
5. Molecular Weight: 232.688
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: ω-Chlormethansulfonyl-acetophenon(CAS DataBase Reference)
10. NIST Chemistry Reference: ω-Chlormethansulfonyl-acetophenon(90649-90-4)
11. EPA Substance Registry System: ω-Chlormethansulfonyl-acetophenon(90649-90-4)
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: 90649-90-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 90649-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90649-90:
(7*9)+(6*0)+(5*6)+(4*4)+(3*9)+(2*9)+(1*0)=154
154 % 10 = 4
So 90649-90-4 is a valid CAS Registry Number.

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21120-03-6 4-Phenyl-2,3-dihydro-3-oxa-thiophen-1-dioxid

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