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65691-69-2

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65691-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65691-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,9 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 65691-69:
(7*6)+(6*5)+(5*6)+(4*9)+(3*1)+(2*6)+(1*9)=162
162 % 10 = 2
So 65691-69-2 is a valid CAS Registry Number.

65691-69-2Relevant articles and documents

Conversion of cyclic ketones to 2,3-fused pyrroles and substituted indoles

Alford, Joshua S.,Spangler, Jillian E.,Davies, Huw M.L.

supporting information, p. 11712 - 11715 (2013/09/02)

A highly effective synthesis of 2,3-fused pyrroles from cyclic ketones has been achieved. The transformation includes a rhodium-catalyzed reaction of 4-alkenyl-1-sulfonyl-1,2,3-triazoles featuring an unusual 4π electrocyclization. The methodology was furt

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