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67880-02-8

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67880-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67880-02-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,8 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67880-02:
(7*6)+(6*7)+(5*8)+(4*8)+(3*0)+(2*0)+(1*2)=158
158 % 10 = 8
So 67880-02-8 is a valid CAS Registry Number.

67880-02-8Downstream Products

67880-02-8Relevant articles and documents

CHEMISTRY OF 1,8-SUBSTITUTED NAPHTHALENES. X. SYNTHESIS OF 2-ETHOXY- AND 2-ALKYLBENZOINDOLES

Mezheritskii, V. V.,Minyaeva, L. G.,Mezheritskaya, L. V.,Pikus, A. L.,Dorofeenko, G. N.

, p. 1986 - 1989 (2007/10/02)

A method is proposed for the synthesis of 2-ethoxybenzoindole from naphthostyril and ethyl orthoformate.The compound reacts readily with 2-alkyl-1,3-dioxolanium perchlorates, forming monomethinecyanines, the hydrolysis of which leads to 2-alkyl-substituted benzoindoles.

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