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23997-93-5

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23997-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23997-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,9 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23997-93:
(7*2)+(6*3)+(5*9)+(4*9)+(3*7)+(2*9)+(1*3)=155
155 % 10 = 5
So 23997-93-5 is a valid CAS Registry Number.

23997-93-5Downstream Products

23997-93-5Relevant articles and documents

Iron(III) Chloride Mediated para-Selective C-H Functionalization: Access to C5-Chloro and C5,C7-Dichloro/Dianisyl Substituted 2-Arylbenzoxazoles

Sahoo, Kanchanbala,Panda, Niranjan

supporting information, p. 1023 - 1030 (2022/02/03)

Iron(III) chloride mediated para-selective C?H chlorination and subsequent annulation of 2-amidophenol to synthesize C5- and C5, C7-chlorinated benzoxazoles was developed. Further, the oxidative cross-dehydrogenative coupling of amidophenol with anisole b

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