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1118438-71-3

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1118438-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1118438-71-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,8,4,3 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1118438-71:
(9*1)+(8*1)+(7*1)+(6*8)+(5*4)+(4*3)+(3*8)+(2*7)+(1*1)=143
143 % 10 = 3
So 1118438-71-3 is a valid CAS Registry Number.

1118438-71-3Downstream Products

1118438-71-3Relevant articles and documents

Synthetic Approach to Dictyodendrins: A Facile Synthesis of Pyrrolo[2,3-c]carbazole, Pyrrolodibenzothiophene, and Benzo[e]indole

Raju, Potharaju,Mohanakrishnan, Arasambattu K.

, p. 4361 - 4371 (2016)

The FeCl3/DDQ-PTSA/NBS-mediated cyclization (DDQ = 2,3-dichoro-5,6-dicyano-1,4-benzoquinone, PTSA = p-toluenesulfonic acid, NBS = N-bromosuccinimide) of 2-arylvinyl-3-indolylpyrrole led to the formation of the pyrrolo[2,3-c]carbazole core unit of dictyodendrins in yields of 75–90 %. The cyclization method was also successfully applied to the syntheses of pyrrolodibenzothiophene and benzo[e]indole derivatives.

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