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606926-51-6

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606926-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 606926-51-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,6,9,2 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 606926-51:
(8*6)+(7*0)+(6*6)+(5*9)+(4*2)+(3*6)+(2*5)+(1*1)=166
166 % 10 = 6
So 606926-51-6 is a valid CAS Registry Number.

606926-51-6Relevant articles and documents

One-pot ring-closing metathesis-alkene cross metathesis reactions of sulfamide-linked enynes

Salim, Sofia S.,Bellingham, Richard K.,Brown, Richard C. D.

, p. 800 - 806 (2004)

Ring-closing metathesis (RCM) of sulfamide-linked enynes 7, 11 and 12 containing disubstituted alkynes afforded a series of novel 7-membered cyclic sulfamides 13-15 in good yield. Substrates 5, 9 and 10 containing mono-substituted alkynes gave either simple RCM products 18a-c or those arising from combinations of enyne RCM and olefin cross metathesis 16/17a-c depending on the reaction conditions. Notably, in the presence of two equivalents of styrene or ethyl acrylate, substrates 5, 9 and 10 containing terminal alkynes underwent selective enyne-RCM-olefin-cross metathesis to provide cyclic sulfamides 17a-c and 19b,c in yields of 54-83%. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.

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