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649734-78-1

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649734-78-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 649734-78-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,9,7,3 and 4 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 649734-78:
(8*6)+(7*4)+(6*9)+(5*7)+(4*3)+(3*4)+(2*7)+(1*8)=211
211 % 10 = 1
So 649734-78-1 is a valid CAS Registry Number.

649734-78-1Downstream Products

649734-78-1Relevant articles and documents

Microwave-assisted functionalization of bromo-fluorescein and bromorhodamine derivatives

Han, Jin Wook,Castro, Juan C.,Burgess, Kevin

, p. 9359 - 9362 (2003)

The overall goal of this project was to develop methodologies that would allow organometallic couplings of fluorescein and rhodamine derivatives. Consequently, borylation, Suzuki, and Sonogashira reactions of fragments derived from compounds 1 and 2 were investigated. Conventional and microwave heating were compared throughout the study.

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