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17822-21-8

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17822-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17822-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,2 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17822-21:
(7*1)+(6*7)+(5*8)+(4*2)+(3*2)+(2*2)+(1*1)=108
108 % 10 = 8
So 17822-21-8 is a valid CAS Registry Number.

17822-21-8Downstream Products

17822-21-8Relevant articles and documents

Base-mediated direct fluoroalkenylation of 2-phenyl-1,3,4-oxadiazole, benzothiazole and benzoxazole with gem-difluoroalkenes

Zhang, Xuxue,Lin, Yingyin,Zhang, Juan,Cao, Song

, p. 7905 - 7908 (2015)

Direct α-fluorovinylation of 2-phenyl-1,3,4-oxadiazole, benzothiazole and benzoxazole with gem-difluoroalkenes via nucleophilic vinylic substitution reaction (SNV) under the assistance of KHMDS or NaH at room temperature is described.

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