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90619-68-4

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90619-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90619-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,1 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90619-68:
(7*9)+(6*0)+(5*6)+(4*1)+(3*9)+(2*6)+(1*8)=144
144 % 10 = 4
So 90619-68-4 is a valid CAS Registry Number.

90619-68-4Relevant articles and documents

ORTHO-DISUBSTITUTED F-BENZENES - V. INTRAMOLECULAR HETEROATOM-FACILITATED ORTHO-SUBSTITUTION OF F-BENZENE DERIVATIVES WITH OXAZOLINYL AND OXAZINYL GROUPS.

Inukai,Takuma,Toritani,Sonoda,Kobayashi

, p. 225 - 231 (2007/10/02)

The oxazinyl and oxazolinyl substituents on an F-benzene ring facilitated the substitution of fluorine ortho to the heterocyclic functional groups by carbon and nitrogen nucleophiles. Alkylmagnesium halides and alkyllithium compounds were employed as the

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