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90985-58-3

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90985-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90985-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,8 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90985-58:
(7*9)+(6*0)+(5*9)+(4*8)+(3*5)+(2*5)+(1*8)=173
173 % 10 = 3
So 90985-58-3 is a valid CAS Registry Number.

90985-58-3Downstream Products

90985-58-3Relevant articles and documents

SYNTHESIS OF SPECIFICALLY O-ALKYLATED ANTHRAQUINONES BY CYCLOADDITION

Cameron, Donald W.,Feutrill, Geoffrey I.,Gamble, Glenn B.,Stavrakis, John

, p. 4999 - 5002 (2007/10/02)

Cycloadducts from naphthoquinonoid dienophiles and 1-methoxy-1-trimethylsilyloxy butadienes undergo controlled aromatisation to form chiefly α-hydroxy- or α-methoxy-anthraquinones; this has led to synthesis of several natural O-methyl polyoxyanthraquinones.

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