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90069-63-9

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90069-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90069-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,6 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90069-63:
(7*9)+(6*0)+(5*0)+(4*6)+(3*9)+(2*6)+(1*3)=129
129 % 10 = 9
So 90069-63-9 is a valid CAS Registry Number.

90069-63-9Relevant articles and documents

Reaction of 2,2-Dimethyl-1,3-dioxin-4-one Derivatives with Pyridinium (Isoquinolinium) Methylides and Cyano Compounds

Sato, Masayuki,Kanuma, Norio,Kato, Tetsuzo

, p. 106 - 116 (2007/10/02)

Cycloaddition of acylketenes (2) to 1,2- and 1,3-dipolar compounds was investigated.The thermal reaction of 1,3-dioxin-4-ones (1) with isoquinolinium phenylacylide (11) gave the aromatized pyrroloisoquinolines (12-15).The reaction of 1 with pyridin

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