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130444-18-7

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130444-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130444-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,4,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 130444-18:
(8*1)+(7*3)+(6*0)+(5*4)+(4*4)+(3*4)+(2*1)+(1*8)=87
87 % 10 = 7
So 130444-18-7 is a valid CAS Registry Number.

130444-18-7Relevant articles and documents

REACTIONS OF UNASATURATED COMPOUNDS. CL. REGIOCHEMISTRY AND STEREOCHEMISTRY OF THE ACYLATION OF 2-METHYL-1-BUTEN-3-YNE. THE TRANSFORMATION OF 2H-PYRAN INTO FURAN WITH OXIDATIVE EXTRUSION OF THE CH2 GROUP

Melikyan, G. G.,Babayan, E. V.,Panosyan, G. A.,Palikyan, G. U.,Badanyan, Sh. O.

, p. 830 - 836 (2007/10/02)

The regiochemistry and stereochemistry of the low-temperature acylation of 2-methyl-1-buten-3-yne were investigated.In the case of alkanoyl chlorides 1,4-addition of the acylating agent occurs and is followed by 1,3-chlorotropy in the adducts (1-chloro-2-

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