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133828-88-3

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133828-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133828-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,8,2 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133828-88:
(8*1)+(7*3)+(6*3)+(5*8)+(4*2)+(3*8)+(2*8)+(1*8)=143
143 % 10 = 3
So 133828-88-3 is a valid CAS Registry Number.

133828-88-3Downstream Products

133828-88-3Relevant articles and documents

Regio- and stereoselective synthesis of tetrahydroindolysines, tetrahydropyridin-6-olates, and cyclopropanes from pyridinium ylides and unsaturated nitriles

Shestopalov,Litvinov,Rodinovskaya,Sharanin

, p. 129 - 138 (1991)

The regio- and stereoselectivity of the reactions of pyridinium ylides with unsaturated nitriles are dependent on the electronic nature of the substituent in position 3 of the pyridine ring. The reaction of 1-carbamoylmethylide-3-cyanopyridinium with aryl

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