81652-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81652-61-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81652-61:
(7*8)+(6*1)+(5*6)+(4*5)+(3*2)+(2*6)+(1*1)=131
131 % 10 = 1
So 81652-61-1 is a valid CAS Registry Number.
81652-61-1Relevant articles and documents
TRANSFORMATIONS OF HALOCYCLOPROPANES-VII. REACTIONS OF 7,7-DICHLOROBICYCLOHEPTANE WITH CARBANIONS
Arct, J.,Migaj, B.,Leonczynski, A.
, p. 3689 - 3692 (2007/10/02)
The reactions of 7,7-dichlorobicycloheptane 1 were carried out with C-H acids in the presence of t-BuOK in DMSO.The respective syn-7-chlorobicycloheptane derivatives 3 were the major products of the reactions with diethyl malonate and ethyl
