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221692-80-4

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221692-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221692-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,6,9 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 221692-80:
(8*2)+(7*2)+(6*1)+(5*6)+(4*9)+(3*2)+(2*8)+(1*0)=124
124 % 10 = 4
So 221692-80-4 is a valid CAS Registry Number.

221692-80-4Upstream product

221692-80-4Downstream Products

221692-80-4Relevant academic research and scientific papers

PROCESS FOR PREPARING 4-ISOPROPYLCYCLOHEXYLMETHANOL

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Page/Page column 9, (2011/09/16)

The present invention relates to a process for preparing 4-isopropylcyclohexylmethanol (IPCHM) from para-cymene. The process for preparing 4-isopropylcyclohexylmethanol (IPCHM) comprises an electrochemical process for preparing a mixture of 4-isopropylbenzaldehyde dimethyl acetal and 4-(1-alkoxy-1-methylethyl)benzaldehyde dimethyl acetal, and intermediates passed through in the process, a hydrolysis step to form the corresponding benzaldehydes and a hydrogenation of this mixture to form 4-isopropylcyclohexylmethanol (IPCHM).

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