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79988-71-9

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79988-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79988-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,8 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79988-71:
(7*7)+(6*9)+(5*9)+(4*8)+(3*8)+(2*7)+(1*1)=219
219 % 10 = 9
So 79988-71-9 is a valid CAS Registry Number.

79988-71-9Downstream Products

79988-71-9Relevant articles and documents

Synthesis of Oxetanes by Photoaddition of Carbonyl Compounds to Thiophene Derivatives

Rivas, C.,Pacheco, D.,Vargas, F.,Ascanio, J.

, p. 1065 - 1067 (2007/10/02)

2,3-Dimethyl, 3,4-dimethyl and 2,3,5-trimethylthiophene were synthesized and subjected to interaction with excited benzophenone. 2,3-Dimethylthiophene affords an oxetane in good yield.These experiments were carried out in order to generalize this reaction

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