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860021-99-4

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860021-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 860021-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,0,0,2 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 860021-99:
(8*8)+(7*6)+(6*0)+(5*0)+(4*2)+(3*1)+(2*9)+(1*9)=144
144 % 10 = 4
So 860021-99-4 is a valid CAS Registry Number.

860021-99-4Relevant articles and documents

Nitrogen heterocyclic carbon-rich materials: Synthesis and spectroscopic properties of dehydropyridoannulene macrocycles

Baxter, Paul N. W.,Dali-Youcef, Riad

, p. 4935 - 4953 (2005)

A new series of nitrogen heterocyclic dehydroannulenes 1-3 have been synthesized and their macrocyclic structures assigned using spectroscopic methods. The chiral and planar ground state conformations of 1 and 3, respectively, were determined by semiempir

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