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138457-93-9

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138457-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138457-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,5 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138457-93:
(8*1)+(7*3)+(6*8)+(5*4)+(4*5)+(3*7)+(2*9)+(1*3)=159
159 % 10 = 9
So 138457-93-9 is a valid CAS Registry Number.

138457-93-9Relevant articles and documents

Aminostilbazole derivative and medicine

-

, (2008/06/13)

The invention relates to an aminostilbazole derivative of the following formula or a hydrate thereof, and a salt thereof. STR1 wherein R1 and R2 each represents hydrogen etc.; R3, R4, R13, and R14 each represents hydrogen, C1-3 acyl, halogen, hydroxy etc.; R5 represents hydrogen or hydroxy-substituted C1-3 alkyl etc.; R6 represents benzenesulfonyl substituted by C1-3 alkoxy etc.; ring Y represents phenyl etc.; ring Z represents 4-pyridyl, its oxide etc. The compound is useful or the treatment of various malignant tumors.

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