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61744-38-5

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61744-38-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61744-38-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,7,4 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 61744-38:
(7*6)+(6*1)+(5*7)+(4*4)+(3*4)+(2*3)+(1*8)=125
125 % 10 = 5
So 61744-38-5 is a valid CAS Registry Number.

61744-38-5Downstream Products

61744-38-5Relevant articles and documents

EXTREMELY REACTIVE CARBON-CARBON DOUBLE BONDS-I; REACTIONS WITH 2-(9-XANTHYLIDENE)-, 2-(9-THIOXANTHYLIDENE)-, AND 2-(9-FLUORENYLIDENE)-INDANE-1,3-DIONE. A CONTRIBUTION ON THE STRUCTURE AND REACTIVITY OF NON-PLANAR C-C DOUBLE BONDS

Schoenberg, Alexander,Singer, Erich,Stephan, Werner,Sheldrick, William S.

, p. 2429 - 2438 (2007/10/02)

The compounds in the title (cf 1a, 1b and 2) react with various reagents, often under mild conditions, mostly by breaking of the central double bond.According to X-ray diffraction the central double bond of 2-(9-xanthylidene)indane-1,3-dione is inclined by 47.2 deg.The relationship between the structure and reactivity of the compounds in the title is discussed.

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