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14503-03-8

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14503-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14503-03-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,5,0 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 14503-03:
(7*1)+(6*4)+(5*5)+(4*0)+(3*3)+(2*0)+(1*3)=68
68 % 10 = 8
So 14503-03-8 is a valid CAS Registry Number.

14503-03-8Upstream product

14503-03-8Relevant articles and documents

Novel one-pot method for chemoselective bromination and sequential sonogashira coupling

Kutsumura, Noriki,Niwa, Kentaro,Saito, Takao

supporting information; experimental part, p. 3316 - 3319 (2010/10/19)

(Equation Presented). An efficient one-pot method for bromination- elimination of allyl alcohol derivatives and sequential Sonogashira coupling has been developed. A highlight of the method is chemoselective DBU-promoted elimination of vicinal dibromoalka

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