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449764-33-4

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449764-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 449764-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,9,7,6 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 449764-33:
(8*4)+(7*4)+(6*9)+(5*7)+(4*6)+(3*4)+(2*3)+(1*3)=194
194 % 10 = 4
So 449764-33-4 is a valid CAS Registry Number.

449764-33-4Relevant articles and documents

C-P bond formation of cyclophanyl-, and aryl halides: Via a UV-induced photo Arbuzov reaction: A versatile portal to phosphonate-grafted scaffolds

Br?se, Stefan,Hassan, Zahid,Nieger, Martin,O?wald, Simon,Zippel, Christoph

, p. 3309 - 3312 (2022/02/11)

A new versatile method for the C-P bond formation of (hetero)aryl halides with trimethyl phosphite via a UV-induced photo-Arbuzov reaction, accessing diverse phosphonate-grafted arenes, heteroarenes and co-facially stacked cyclophanes under mild reaction

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