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344876-40-0

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344876-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344876-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,8,7 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 344876-40:
(8*3)+(7*4)+(6*4)+(5*8)+(4*7)+(3*6)+(2*4)+(1*0)=170
170 % 10 = 0
So 344876-40-0 is a valid CAS Registry Number.

344876-40-0Downstream Products

344876-40-0Relevant articles and documents

Perhydroazulenes. 4. The 6-tert-Butyl-4-oxoperhydroazulene System

House, Herbert O.,Gaa, Peter, C.,Lee, Joseph H. C.,VanDerveer, Don

, p. 1670 - 1678 (2007/10/02)

The four diastereoisomeric 6-tert-butyl-4-oxoperhydroazulenes (3-6) have been prepared and characterized.Molecular mechanics calculations suggest that each of these ketones will exist as one or both of a pair of closely related conformers as follows: 3, C-3 or TC-7; 4, TC-1 or TC-2; 5, B-3 or TB-4; 6, TC-4 or TC-5.A combination of 1H NMR data and X-ray crystallographic data support the correctness of these predictions.

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