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223774-17-2

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223774-17-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223774-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,7 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 223774-17:
(8*2)+(7*2)+(6*3)+(5*7)+(4*7)+(3*4)+(2*1)+(1*7)=132
132 % 10 = 2
So 223774-17-2 is a valid CAS Registry Number.

223774-17-2Relevant articles and documents

Solid-phase synthesis of m-phenylene ethynylene heterosequence oligomers

Elliott, Erin L.,Ray, Christian R.,Kraft, Stefan,Atkins, Joseph R.,Moore, Jeffrey S.

, p. 5282 - 5290 (2006)

Both homo- and heterosequence m-phenylene ethynylene oligomers are synthesized using a conceptually simple iterative solid-phase strategy. Oligomers are attached to Merrifield's resin through a known triazene-type linkage. The phenylene ethynylene molecul

Arylene ethynylene macrocycles prepared by precipitation-driven alkyne metathesis

Zhang, Wei,Moore, Jeffrey S.

, p. 12796 - 12796 (2007/10/03)

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