Cas 420087-22-5,diiodobis(diphenyltelluride)mercury(II)

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Check Digit Verification of cas no

The CAS Registry Mumber 420087-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,0,0,8 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 420087-22:
(8*4)+(7*2)+(6*0)+(5*0)+(4*8)+(3*7)+(2*2)+(1*2)=105
105 % 10 = 5
So 420087-22-5 is a valid CAS Registry Number.

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420087-22-5Relevant articles and documents

Diiodobis(diphenyltelluride)mercury(II), [(Ph2Te)2HgI2]

Lang, Ernesto Schulz,Gatto, Claudia C.,Abram, Ulrich

, p. 335 - 336 (2008/10/08)

Diiodobis(diphenyltelluride)mercury(II), [(Ph2Te)2HgI2], is formed during the reaction of [(PhTe)2Hg] with HgI2 in refluxing THF. The same product can be obtained from a pressure reaction between PhTeI3 and elemental mercury. The mercury atom is co-ordinated in a distorted tetrahedral environment with I-Hg-I angles of 117°. Long range I...Te contacts of about 3.8 A link the [(Ph2Te)2HgI2] units to infinite chains along the b axis of the unit cell.

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420087-22-5