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90822-50-7

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90822-50-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90822-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,2 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90822-50:
(7*9)+(6*0)+(5*8)+(4*2)+(3*2)+(2*5)+(1*0)=127
127 % 10 = 7
So 90822-50-7 is a valid CAS Registry Number.

90822-50-7Relevant articles and documents

PHYSICAL CHARACTERISTICS OF SYNTHESIZED 1-AMINO-4-(ARYLAMINO)ANTHRAQUINONE 2-ETHER DYES FOR SYNTHETIC-POLYMER FIBERS.

Ukponmwan,Greenhalgh,Peters

, p. 482 - 483 (2007/10/02)

The synthesis and characteristics of a series of 2-ethers of 1-amino-4-(arylamino)anthraquinone by various preparative routes are described. Replacement of a bromine atom in the beta -position by a phenoxy group increased the molecular size.

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