142071-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142071-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,7 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 142071-66:
(8*1)+(7*4)+(6*2)+(5*0)+(4*7)+(3*1)+(2*6)+(1*6)=97
97 % 10 = 7
So 142071-66-7 is a valid CAS Registry Number.
142071-66-7Relevant articles and documents
BROMINE-SUBSTITUTED 1,2,3,4-TETRAHYDRO-4-METHYLSPIRO
Kuznetsov, V. V.,Pal'ma, A. R.,Fernandes, M.,Aliev, A. E.,Shevtsov, V. K.,et al.
, p. 1080 - 1083 (2007/10/02)
The bromination of 1,2,3,4-tetrahydro-4-methylspiro has been carried out under various conditions.Dibromo and monobromo derivatives have been obtained; the monobromo derivatives were synthesized by cyclization of 1-allyl-1-bromophenylaminocyclohexanes.
