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147341-69-3

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147341-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147341-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,3,4 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 147341-69:
(8*1)+(7*4)+(6*7)+(5*3)+(4*4)+(3*1)+(2*6)+(1*9)=133
133 % 10 = 3
So 147341-69-3 is a valid CAS Registry Number.

147341-69-3Relevant articles and documents

Syntheses of some 2-(4'-Acetamido-3'-nitrobenzoyl)coumaran-3-ones

Mazumdar, A. K. D.,Karmakar, P. K.,Rahman, M.,Saha, G. C.,Rangachari, K.,Banerji, K. D.

, p. 207 - 209 (2007/10/02)

Syntheses of several 2-(4'-acetamido-3'-nitrobenzoyl)coumaran-3-ones by two routes have been described.In one, the corresponding esters were converted to the related 1,3-diketones which on bromination directly produced 3-bromoflavones.Refluxing of the bro

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