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849915-09-9

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849915-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 849915-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,9,1 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 849915-09:
(8*8)+(7*4)+(6*9)+(5*9)+(4*1)+(3*5)+(2*0)+(1*9)=219
219 % 10 = 9
So 849915-09-9 is a valid CAS Registry Number.

849915-09-9Relevant articles and documents

Macrocyclic lactam synthesis via a ring expansion reaction: Construction of the cripowellin skeleton

Moon, Bongjin,Han, Sangbae,Yoon, Yeojin,Kwon, Hyejin

, p. 1031 - 1034 (2007/10/03)

(Chemical Equation Presented) The cripowellin ring skeleton, a macrocyclic [2.3.5]-bicyclic ketolactam, was smoothly generated via construction of a spiro(benzazepin-cyclohexane-1,3-dione) employing oxidative cyclization as a key step and a subsequent ring expansion reaction.

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