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Phenol, 2-(1-methyl-2-butenyl)-, also known as 2-isopropenyl-5-methylphenol or thymol, is a naturally occurring monoterpene phenol with the chemical formula C10H14O. It is a colorless to pale yellow crystalline solid with a strong, aromatic odor. Thymol is widely found in the essential oils of plants such as Thymus vulgaris (thyme) and Tectona grandis (teak). It has various applications, including as a pharmaceutical agent, a flavoring agent, and an antimicrobial agent in food preservation. Thymol is also used in the synthesis of various chemicals, such as dyes, resins, and perfumes. Its chemical structure consists of a phenol group attached to a 1-methyl-2-butenyl side chain, which contributes to its unique properties and applications.

4204-40-4

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4204-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4204-40-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,0 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4204-40:
(6*4)+(5*2)+(4*0)+(3*4)+(2*4)+(1*0)=54
54 % 10 = 4
So 4204-40-4 is a valid CAS Registry Number.
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