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1178300-99-6

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1178300-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1178300-99-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,8,3,0 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1178300-99:
(9*1)+(8*1)+(7*7)+(6*8)+(5*3)+(4*0)+(3*0)+(2*9)+(1*9)=156
156 % 10 = 6
So 1178300-99-6 is a valid CAS Registry Number.

1178300-99-6Downstream Products

1178300-99-6Relevant articles and documents

Synthesis of di- and tri-substituted imidazole-4-carboxylates via PBu3-mediated [3+2] cycloaddition

Hsu, Mei-Yuan,Dietrich, Justin,Hulme, Christopher,Shaw, Arthur Y.

, p. 1538 - 1542 (2013/05/21)

Some new di- and trisubstituted imidazole-4-carboxylates were prepared from amidoacetic acids 3 in the present report. The key step to establish such imidazole- 4-carboxylates stemmed from the PBu3-mediated [3+2] cycloaddition between in situ-generated Δ2-oxazolinone 4 and ethyl cyanoformate6. Our results indicated that trisubstituted imidazoles 7-20 were afforded in better yields than those of disubstituted imidazoles 21-27. Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications1 to view the free supplemental file. Copyright Taylor & Francis Group, LLC.

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