I-Butylsulfonyl fluoride, also known as 1-butanesulfonyl fluoride or IBSF, is a chemical compound with the molecular formula C4H9FOS. It is a colorless liquid with a pungent odor and is used as a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. IBSF is known for its ability to act as a selective alkylating agent, which makes it useful in the synthesis of complex organic molecules. It is also recognized for its potential use in the development of new drugs and as a building block in the creation of novel chemical compounds. Due to its reactivity, it is important to handle i-butylsulfonyl fluoride with care, as it can be hazardous and requires appropriate safety measures during its use and storage.

659-90-5

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Basic information
1. Product Name: i-butylsulfonyl fluoride
2. Synonyms: i-butylsulfonyl fluoride
3. CAS NO:659-90-5
4. Molecular Formula:
5. Molecular Weight: 140.179
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: i-butylsulfonyl fluoride(CAS DataBase Reference)
10. NIST Chemistry Reference: i-butylsulfonyl fluoride(659-90-5)
11. EPA Substance Registry System: i-butylsulfonyl fluoride(659-90-5)
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: 659-90-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 659-90-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,5 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 659-90:
(5*6)+(4*5)+(3*9)+(2*9)+(1*0)=95
95 % 10 = 5
So 659-90-5 is a valid CAS Registry Number.

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