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37003-04-6

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37003-04-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37003-04-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,0,0 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 37003-04:
(7*3)+(6*7)+(5*0)+(4*0)+(3*3)+(2*0)+(1*4)=76
76 % 10 = 6
So 37003-04-6 is a valid CAS Registry Number.

37003-04-6Relevant articles and documents

Reaction of Tri(phenylethynyl)arsane and -stibane with Octacarbonyldicobalt; Crystal Structure of (Ph-CC)As2-CC-Ph)Co2(CO)6>2

Lang, Heinrich,Zsolnai, Laszlo

, p. 1529 - 1536 (2007/10/02)

The synthesis of tri(phenylethynyl)arsane (1) and -stibane (7) is discussed.Octacarbonyldicobalt reacts selectively with 1 or 7 to yield the η2-side-on co-ordinated phenylethynyl complexes (Ph-CC)nE2-CC-Ph)Co2(CO)6>3-n (E = As: n = 2: 3, n = 1: 4, n = 0: 5; E = Sb: n = 2: 8; n = 1: 9; n = 0: 10), which contain sterically hindered carbon-cobalt tetrahedrane cluster units. 3 gives upon heating 2-CC-Ph)Co2(CO)5>>2 (6) a compound containing a six-membered Co2As2C2 ring.All new compounds have been characterized by analytical and spectroscopic data (IR, 1H, 13C NMR), and (Ph-CC)As2-CC-Ph)Co2(CO)6>2 (4) by X-ray analysis.

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