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70385-89-6

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70385-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70385-89-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,3,8 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70385-89:
(7*7)+(6*0)+(5*3)+(4*8)+(3*5)+(2*8)+(1*9)=136
136 % 10 = 6
So 70385-89-6 is a valid CAS Registry Number.

70385-89-6Downstream Products

70385-89-6Relevant articles and documents

One-step Preparation of 3-Alkoxypyrazine-2-carbonitriles from Pyrazine-2,3-dicarbonitriles and Related Reactions

Kojima, Takakazu,Nagasaki, Fumihiko,Ohtsuka, Yozo

, p. 455 - 459 (2007/10/02)

A series of 5,6-disubstituted 3-alkoxypyrazine-2-carbonitriles (2a-i) were prepared from 5,6-disubstituted pyrazine-2,3-dicarbonitriles (1a-d) by direct substitution with alcohols.Treatment of 1 with amines gave either pyrrolopyrazines (3a,b) or substitution products (4,5).In a low temperature range, 1 afforded imidates and related compounds (6-11).The preference among these reactions depended on the 5,6-substituents and on the reaction conditions.

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