Cas 1209434-75-2,C21H16N2O

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Check Digit Verification of cas no

The CAS Registry Mumber 1209434-75-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,4,3 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1209434-75:
(9*1)+(8*2)+(7*0)+(6*9)+(5*4)+(4*3)+(3*4)+(2*7)+(1*5)=142
142 % 10 = 2
So 1209434-75-2 is a valid CAS Registry Number.

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1209434-75-2Relevant articles and documents

Syntheses of amidines from thioamides, mediated by the N-heterocyclic carbene indazol-3-ylidene

Scherbakow, Swetlana,Namyslo, Jan C.,Gjikaj, Mimoza,Schmidt, Andreas

experimental part, p. 1964 - 1968 (2010/01/19)

On decarboxylation, 1,2-dimethylindazolium-3-carboxylate forms the N-heterocyclic carbene 1,2-dimethylindazol-3-ylidene in situ, which proved to be a suitable reagent for amidinations of the mono-thiolactams of succinimide and phthalimide. Georg Thieme Ve

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1209434-75-2