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107344-52-5

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107344-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107344-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,3,4 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 107344-52:
(8*1)+(7*0)+(6*7)+(5*3)+(4*4)+(3*4)+(2*5)+(1*2)=105
105 % 10 = 5
So 107344-52-5 is a valid CAS Registry Number.

107344-52-5Relevant articles and documents

An interrupted Pummerer reaction induced by hypervalent iodine(III) reagent: A new synthesis of pyrrolo[2,1-b]benzothiazole

Chen, Ling-Ching,Wang, Huey-Min,Kang, Iou-Jiun

, p. 1437 - 1441 (1999)

Treatment of 1-(2-alkylthiophenyl)pyrroles with phenyliodine(III) bis(trifluoroacetate) containing trifluoroacetic acid resulted in an interrupted Pummerer reaction to give pyrrolo[2,1-b]benzothiazole rather than the normal Pummerer-type products.

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