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1521187-12-1

1521187-12-1

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1521187-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1521187-12-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,2,1,1,8 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1521187-12:
(9*1)+(8*5)+(7*2)+(6*1)+(5*1)+(4*8)+(3*7)+(2*1)+(1*2)=131
131 % 10 = 1
So 1521187-12-1 is a valid CAS Registry Number.

1521187-12-1Relevant articles and documents

On the thermal Pummerer rearrangement of substituted sulfoxides

Marzorati, Liliana,Yoshikawa, Eduardo K.C.,Braga, Ataualpa A.C.,Di Vitta, Claudio

, p. 248 - 260 (2014/04/03)

Sulfoxides bearing thioester and ester groups at the position under heating at ca. 140C undergo Pummerer thermal rearrangement. However, for sulfonyl sulfoxide, a complex mixture of products is formed. Plausible mechanism is advanced(equation presented. 2013

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