Cas 1269668-34-9,(2E,7E)-1,9-bis(2-chlorophenyl)nona-2,7-diene-1,9-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 1269668-34-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,6,6 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1269668-34:
(9*1)+(8*2)+(7*6)+(6*9)+(5*6)+(4*6)+(3*8)+(2*3)+(1*4)=209
209 % 10 = 9
So 1269668-34-9 is a valid CAS Registry Number.

1269668-34-9Upstream product

1269668-34-9Downstream Products

1269668-48-5 C₂₁H₁₈Cl₂O₂

1269668-34-9Relevant academic research and scientific papers

A highly nucleophilic multifunctional chiral phosphane-catalyzed asymmetric intramolecular rauhut-currier reaction

Zhang, Xiao-Nan,Shi, Min

supporting information, p. 6271 - 6279 (2013/01/15)

An asymmetric variant of the intramolecular Rauhut-Currier (RC) reaction can be achieved using a highly nucleophilic multifunctional chiral phosphane; the corresponding cyclopentene and cyclohexene derivatives are produced in moderate to good yields and w

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