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1197989-81-3

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1197989-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1197989-81-3 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, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1197989-81:
(9*1)+(8*1)+(7*9)+(6*7)+(5*9)+(4*8)+(3*9)+(2*8)+(1*1)=243
243 % 10 = 3
So 1197989-81-3 is a valid CAS Registry Number.

1197989-81-3Downstream Products

1197989-81-3Relevant articles and documents

PROCESS FOR MAKING ORGANIC COMPOUNDS AND THE ORGANIC COMPOUNDS MADE THEREFROM

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, (2011/01/11)

An organic compound of formula E is made from a process comprising: reacting a compound of formula A and a compound of formula B to form a compound of formula C; and reacting one of the compound of formula C and the compound of formula D with a first boro

ELECTRON-TRANSPORTING MATERIALS AND PROCESSES FOR MAKING THE SAME

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Page/Page column 13-14, (2010/07/10)

Compound of formula C is made by reacting a compound of formula A with an pyridyl boronic acid or pyridyl borate ester to form a compound of formula B; and combining the compound of formula B with a pyridyl dihalide to form the compound of C; wherein Rsu

2,4,6-TRI-(HETEROARYLPHENYL)-PYRIDINES AND ELECTRON-TRANSPORTING MATERIALS COMPRISING THEM

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Page/Page column 23-24, (2010/08/04)

Compounds of formula 1 may be used in optoelectronic devices wherein R1 and R2 are, independently at each occurrence, H, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cyeioaiiphatic radical; a is an integer ranging from 0-2; b is 1 or 2; c is an integer ranging from 0-4; and Ar1 and Ar2; are independently heteroaryl.

COMPOUND COMPRISING PHENYL PYRIDINE UNITS

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Page/Page column 32-33, (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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