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Propellan-11-one, also known as 4.4.3-propellan-11-one, is a cyclic ketone with the molecular formula C9H14O. It is a colorless liquid with a pungent odor and is used as a synthetic intermediate in the production of various chemicals, including fragrances and pharmaceuticals. <4.4.3>propellan-11-one is characterized by its unique three-ring structure, which consists of a cyclopropane ring fused to a cyclohexane ring, with a carbonyl group attached to the cyclohexane ring. Due to its reactive nature, it is often used in the synthesis of complex organic molecules and can be found in various chemical libraries for research purposes.

3642-25-9

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3642-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3642-25-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,4 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3642-25:
(6*3)+(5*6)+(4*4)+(3*2)+(2*2)+(1*5)=79
79 % 10 = 9
So 3642-25-9 is a valid CAS Registry Number.

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