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80313-91-3

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80313-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80313-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,1 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80313-91:
(7*8)+(6*0)+(5*3)+(4*1)+(3*3)+(2*9)+(1*1)=103
103 % 10 = 3
So 80313-91-3 is a valid CAS Registry Number.

80313-91-3Relevant articles and documents

SYNTHESIS OF 1-ACYLOXYINDOLIZINES. CORRECTION OF A STRUCTURE MISASSIGNMENT

Wadsworth, Donald H.,Bender, Steven L.,Smith, Douglas L.,Luss, Henry R.

, p. 3569 - 3572 (1981)

The assignment by Lown of a 3-acyloxyindolizine structure to the product of the reaction of diphenylcyclopropenone and pyridine is shown to be in error.Both 1- and 3-acyloxyindolizines were prepared and their structures established by X-ray analysis.

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