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62172-72-9

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62172-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62172-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,1,7 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 62172-72:
(7*6)+(6*2)+(5*1)+(4*7)+(3*2)+(2*7)+(1*2)=109
109 % 10 = 9
So 62172-72-9 is a valid CAS Registry Number.

62172-72-9Relevant articles and documents

Synthesis of 4,4-disubstituted-4H-benzo[d][1,3]oxathiin-2-ones, a new class of compounds

Kamila, Sukanta,Khan, Omair,Zhang, Hongming,Biehl, Edward R.

, p. 1419 - 1429 (2007/10/03)

4,4-Dialkyl and 4,4-diaryl-4H-benzo[d][1,3]oxathiin-2-ones were synthesized by the reaction of 2-(mercapto-phenyl)-dialkyl- (or diaryl)-methanol with CDI in excellent yield. The 2-(mercaptophenyl)-dialkyl- (or diaryl)-methanols were prepared by the reaction of commercially available methylthiosalicylate with an ppropriate alkyl or aryl Grignard reagent. Copyright Taylor & Francis Group, LLC.

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