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90987-52-3

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90987-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90987-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,8 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90987-52:
(7*9)+(6*0)+(5*9)+(4*8)+(3*7)+(2*5)+(1*2)=173
173 % 10 = 3
So 90987-52-3 is a valid CAS Registry Number.

90987-52-3Downstream Products

90987-52-3Relevant articles and documents

A New, General, and Convenient Synthesis of 5-Deazaflavins (5-Deazaisoalloxazines) and Bis-(5-deazaflavin-10-yl)alkanes

Nagamatsu, Tomohisa,Hashiguchi, Yuko,Yoneda, Fumio

, p. 561 - 565 (2007/10/02)

The condensation of 6-substituted aminouracils or bis(uracil-6-amino)alkanes with o-halogenobenzaldehydes in dimethylformamide led to the formation of the corresponding 5-deazaflavins or bid(5-deazaflavin-10-yl)alkanes in a single step.

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