856659-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856659-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,6,5 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 856659-21:
(8*8)+(7*5)+(6*6)+(5*6)+(4*5)+(3*9)+(2*2)+(1*1)=217
217 % 10 = 7
So 856659-21-7 is a valid CAS Registry Number.
856659-21-7Relevant articles and documents
Self-assembly of heteroleptic [2 x 2] and [2 x 3] nanogrids
Schmittel, Michael,Kalsani, Venkateshwarlu,Fenske, Dieter,Wiegrefe, Andreas
, p. 490 - 491 (2004)
Using the HETPHEN concept a general and quantitative approach to the formation of heteroleptic nanogrids is illustrated.