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16601-99-3

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16601-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16601-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,0 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16601-99:
(7*1)+(6*6)+(5*6)+(4*0)+(3*1)+(2*9)+(1*9)=103
103 % 10 = 3
So 16601-99-3 is a valid CAS Registry Number.

16601-99-3Downstream Products

16601-99-3Relevant articles and documents

PROCESS FOR PRODUCING 2,5-DIHALOPHENOLETHERS

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Page/Page column 9, (2015/09/23)

The present invention relates to a process for providing a compound of formula (IV):wherein R1 and R2 are each independently C1-C4 alkyl, and Hal is independently Cl or Br, the process comprising the steps of: (i) reacting a compound of formula (II) wherein R1 and Hal is defined as above, to obtain a compound of formula (III) wherein R1 and Hal is defined as above, and (ii) reacting the compound of formula (III) to obtain the compound of formula (IV).

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