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1176990-89-8

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1176990-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1176990-89-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,6,9,9 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1176990-89:
(9*1)+(8*1)+(7*7)+(6*6)+(5*9)+(4*9)+(3*0)+(2*8)+(1*9)=208
208 % 10 = 8
So 1176990-89-8 is a valid CAS Registry Number.

1176990-89-8Relevant articles and documents

One-pot synthesis of 1-arylindole-3-carboxylates from 2-(2-isocyanophenyl)acetates

Fukamachi, Shuhei,Konishi, Hisatoshi,Kobayashi, Kazuhiro

experimental part, p. 161 - 168 (2009/05/07)

An efficient method for the preparation of 1-arylindole-3-carboxylates under mild conditions has been developed. Thus, cyclization of ethyl 2-(2-isocyanophenyl)acetates using sodium hydride at room temperature was followed by 1-arylation of the resulting

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