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1397691-96-1

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1397691-96-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1397691-96-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,6,9 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1397691-96:
(9*1)+(8*3)+(7*9)+(6*7)+(5*6)+(4*9)+(3*1)+(2*9)+(1*6)=231
231 % 10 = 1
So 1397691-96-1 is a valid CAS Registry Number.

1397691-96-1Relevant articles and documents

Concise Synthesis of v-Coelenterazines

Hosoya, Takamitsu,Iimori, Rie,Yoshida, Suguru,Sumida, Yuto,Sahara-Miura, Yuiko,Sato, Jun-Ichi,Inouye, Satoshi

, p. 3888 - 3891 (2015)

A novel synthetic method for v-coelenterazine (v-CTZ), which is a vinylene-bridged analog of native CTZ with a large red-shifted luminescence property, is described. The synthesis was achieved in a concise way through the use of three sequential cross-cou

PROCESS FOR PRODUCING v-COELENTERAZINE COMPOUNDS

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Page/Page column 19, (2012/09/22)

A simple process for producing v-coelenterazine compounds has been desired. Described is a process for producing a v-coelenterazine compound represented by general formula (II) comprising (1) the step of reacting a compound of general formula (VIII) with a methyltriphenylphosphonium salt in the presence of a base to give a compound represented by general formula (IX), (2) the step of performing a ring-closing metathesis reaction on any one selected from the group consisting of the compound represented by general formula (IX) and a compound of general formula (X) which is the compound of general formula (IX) wherein the amino is protected with R5, and then deprotecting R4 and, if any, R5 to give a v-coelenteramine compound represented by general formula (XIV), and (3) the step of reacting the compound of general formula (XIV) with a compound represented by general formula (XV) to give the compound of general formula (II).

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