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859337-27-2

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859337-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 859337-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,3,3 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 859337-27:
(8*8)+(7*5)+(6*9)+(5*3)+(4*3)+(3*7)+(2*2)+(1*7)=212
212 % 10 = 2
So 859337-27-2 is a valid CAS Registry Number.

859337-27-2Relevant articles and documents

Rhodium-catalyzed complete regioselective lntermolecular cross-cyclotrimerization of aryl ethynyl ethers and nitriles or isocyanates at room temperature

Komine, Yoshiyuki,Tanaka, Ken

supporting information; experimental part, p. 1312 - 1315 (2010/06/15)

Chemical Equation Presented We have established that a catlonic rhodium(I)/H8- BINAP complex catalyzes the complete regioselective intermolecular cross-cyclotrimerizatlon of aryl ethynyl ethers and nitriles or isocyanates leading to 2,4-diaryloxypyrldines or 4,6-diaryloxy-2-pyridones at room temperature.

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