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930118-25-5

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930118-25-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 930118-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,0,1,1 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 930118-25:
(8*9)+(7*3)+(6*0)+(5*1)+(4*1)+(3*8)+(2*2)+(1*5)=135
135 % 10 = 5
So 930118-25-5 is a valid CAS Registry Number.

930118-25-5Downstream Products

930118-25-5Relevant articles and documents

Bisphenol compound and process for preparation thereof

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Page/Page column 4, (2008/06/13)

The present invention provides a novel bisphenol compound of formula (I). wherein R1 and R2 are the same or different and are independently either hydrogen or methyl at each occurrence. The present invention also provides a process for preparation of these bisphenol compounds starting from Cashew Nut Shell Liquid (CNSL); —a renewable resource material. The bisphenols prepared in the present invention can be utilized as difunctional monomers for the preparation of various polymers such as epoxy resins, polyesters, polyethersulfones, polyetherketones, polyetherimides, polyarylates, polycarbonates, etc.

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