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1940-38-1

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1940-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1940-38-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,4 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1940-38:
(6*1)+(5*9)+(4*4)+(3*0)+(2*3)+(1*8)=81
81 % 10 = 1
So 1940-38-1 is a valid CAS Registry Number.

1940-38-1Relevant articles and documents

Abnormal Ito-Saegusa oxidation of TIPS enol ether assisted by a hydroxy group on a side chain

Hiraoka, Shiharu,Harada, Shinji,Nishida, Atsushi

experimental part, p. 3079 - 3082 (2011/06/26)

Although Ito-Saegusa oxidation gives defined α,β-unsaturated ketones from silyl enol ether of ketones controlled by the position of the sp2 carbon of the silyl enol ether, the formation of a regioisomeric product that was oxidized abnormally wa

Synthesis of Aromatic Monoterpenyl Geranyl Ethers as Possible Insect Juvenile Hormon Mimics

Phadnis, A. P.,Nanda, B.,Patwardhan, Sarita A.,Gupta, A. S.

, p. 1098 - 1102 (2007/10/02)

Substituted phenyl geranyl (IX-XV, XXIV-XXVIII) and 7-methoxygeranyl ethers (XVI-XXIII, XXVIII) have been synthesised as possible juvenile hormon (JH) mimics.Out of these ethers only XVII, XVIII and XXIII show low JH activity.

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