12291-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12291-11-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,9 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12291-11:
(7*1)+(6*2)+(5*2)+(4*9)+(3*1)+(2*1)+(1*1)=71
71 % 10 = 1
So 12291-11-1 is a valid CAS Registry Number.
12291-11-1Relevant articles and documents
1,1′-Bis(tri-n-butylstannyl)ferrocene: Selective transmetalation applied to the synthesis of new ferrocenyl ligands
Wright, Michael E.
, p. 853 - 856 (2008/10/08)
Selective transmetalation of one tri-n-butylstannyl group of [η5-(Bu3Sn)C5H4]2Fe (1) with 1 molar equiv of n-BuLi, followed by treatment with Ph2PCl or N,N-dimethylformamide, produced 1-(tr