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223691-84-7

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223691-84-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223691-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,6,9 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 223691-84:
(8*2)+(7*2)+(6*3)+(5*6)+(4*9)+(3*1)+(2*8)+(1*4)=137
137 % 10 = 7
So 223691-84-7 is a valid CAS Registry Number.

223691-84-7Relevant articles and documents

Synthetic approaches to sporochnols A-C

Srikrishna,Satyanarayana,Prasad

, p. 1687 - 1698 (2007/10/03)

Formal total synthesis of sporochnols A-C, hydroxyphenyl substituted monoterpenes isolated from the Caribbean brown alga Sporochnus bolleanus exhibiting feeding deterrent property toward herbivorous fish, is described. Copyright Taylor & Francis, Inc.

Total synthesis of sporochnols, fish deterrents from a marine alga

Ohira, Susumu,Kuboki, Atsuhito,Hasegawa, Taisuke,Kikuchi, Takato,Kutsukake, Tatsuhiko,Nomura, Maki

, p. 4641 - 4644 (2007/10/03)

Sporochnols, fish deterrents from a marine alga, were synthesized, using intramolecular C-H insertion of alkylidenecarbene as a key step to construct the chiral quaternary center.

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