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138590-10-0

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138590-10-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138590-10-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,9 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138590-10:
(8*1)+(7*3)+(6*8)+(5*5)+(4*9)+(3*0)+(2*1)+(1*0)=140
140 % 10 = 0
So 138590-10-0 is a valid CAS Registry Number.

138590-10-0Downstream Products

138590-10-0Relevant articles and documents

ATTACK BY SULFUR NUCLEOPHILES ON CERTAIN 3-SUBSTITUTED OXINDOLE DERIVATIVES

El-Rahman, Naglaa M. Abd

, p. 87 - 93 (2007/10/02)

The behavior of 3-methylene oxindoles (1a,b), 3-arylimin-oxindoles (5a-c) and 2-methoxy-1-methyl-4-dicyanomethylene-1,4-dihydroquinoline (8) towards thiols (7a,b) has been studied.Structures of the new adducts were inferred from compatible elemental and spectroscopic measurements. Key Words: 3-Substituted oxindoles; sulfur nucleophiles; addition; demethylation

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