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137549-62-3

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137549-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137549-62-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,4 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137549-62:
(8*1)+(7*3)+(6*7)+(5*5)+(4*4)+(3*9)+(2*6)+(1*2)=153
153 % 10 = 3
So 137549-62-3 is a valid CAS Registry Number.

137549-62-3Downstream Products

137549-62-3Relevant academic research and scientific papers

PHOTOLYSIS OF n-NITROSOMETHYLAMINOANTHRAQUINONES

Klimenko, L. S.,Fokin, E. P.

, p. 1858 - 1862 (1991)

Irradiation of N-nitrosomethylaminoanthraquinones results in two photoreactions, namely denitrosation to give the methylanthraquinones, and rearrangement to 1,10-anthraquinones.Photolytic replacement of hydrogen by a nitroso group has been observed with 2

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