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1197989-76-6

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1197989-76-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1197989-76-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,9,8 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1197989-76:
(9*1)+(8*1)+(7*9)+(6*7)+(5*9)+(4*8)+(3*9)+(2*7)+(1*6)=246
246 % 10 = 6
So 1197989-76-6 is a valid CAS Registry Number.

1197989-76-6Relevant articles and documents

COMPOUND COMPRISING PHENYL PYRIDINE UNITS

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Page/Page column 28, (2009/12/05)

Organic compounds of formula I may be used in optoelectronic devices wherein R1 is, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical;R2 is, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical;a is, independently at each occurrence, an integer ranging from 0-4;b is, independently at each occurrence, an integer ranging from 0-3;Ar1 is a direct bond or heteroaryl, aryl, or alkyl or cycloalkyl;Ar2 is heteroaryl, aryl, or alkyl or cycloalkyl;c is 0, 1 or 2; andn is an integer ranging from 2-4.

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