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89280-97-7

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89280-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89280-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,8 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89280-97:
(7*8)+(6*9)+(5*2)+(4*8)+(3*0)+(2*9)+(1*7)=177
177 % 10 = 7
So 89280-97-7 is a valid CAS Registry Number.

89280-97-7Relevant articles and documents

CONDENSED HETEROCYCLIC COMPOUND

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Paragraph 0218-0220, (2017/11/08)

A compound represented by the general formula (I) [R1 represents a C1-6 alkyl group, a halogen atom, or the like; A represents a phenylene group, or the like; X represents —CH(R3)—, —O—, —NH—, or the like; Y represents —O—, —NH—, —N═, or —S—; . . . represents a single bond or double bond; n represents 1 to 3; R2 represents a C1-6 alkyl group, a C1-6 alkoxy group, or the like; and R3 represents hydrogen atom, a C1-6 alkyl group, or the like], or a salt thereof which has a blood LDL cholesterol-reducing action, and is useful as an active ingredient of medicaments.

A mild and convenient synthesis of 1,2,3-triiodoarenes via consecutive iodination/diazotization/iodination strategy

Al-Zoubi, Raed M.,Futouh, Hassan Abul,McDonald, Robert

, p. 1570 - 1575 (2014/01/23)

A mild and convenient synthesis of 1,2,3-triiodoarenes has been developed. This method consists of two steps which can be performed on multigram scale with moderate to excellent yields. This report discloses a practical synthesis of 1,2,3-triiodoarenes and 1,2,3-trihaloarenes that is general in scope, operationally simple, scalable, and is easy to workup and to purify. We also report the first regioselective transmetalation reaction of 1,2,3-triiodoarenes to provide ortho-diiodoaryl derivatives, which are useful building blocks and indeed are hard to make by other means. CSIRO 2013.

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