Stearoyl isocyanate, also known as octadecanoyl isocyanate, is an organic compound with the chemical formula C18H33NCO. It is a derivative of stearic acid, where the carboxylic acid group is replaced by an isocyanate group (-NCO). This modification enhances its reactivity, making it a valuable intermediate in the synthesis of various polymers, coatings, and adhesives. Stearoyl isocyanate is particularly useful in the production of polyurethanes, a class of materials known for their versatility and wide range of applications, from flexible foams to rigid plastics. Its properties, such as low toxicity and high reactivity, also make it a preferred choice in certain industrial applications where the formation of stable, durable bonds is crucial.

3998-26-3

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Basic information
1. Product Name: stearoyl isocyanate
2. Synonyms: stearoyl isocyanate
3. CAS NO:3998-26-3
4. Molecular Formula:
5. Molecular Weight: 309.492
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: stearoyl isocyanate(CAS DataBase Reference)
10. NIST Chemistry Reference: stearoyl isocyanate(3998-26-3)
11. EPA Substance Registry System: stearoyl isocyanate(3998-26-3)
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: 3998-26-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3998-26-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,9 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3998-26:
(6*3)+(5*9)+(4*9)+(3*8)+(2*2)+(1*6)=133
133 % 10 = 3
So 3998-26-3 is a valid CAS Registry Number.

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