114628-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 114628-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,6,2 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 114628-72:
(8*1)+(7*1)+(6*4)+(5*6)+(4*2)+(3*8)+(2*7)+(1*2)=117
117 % 10 = 7
So 114628-72-7 is a valid CAS Registry Number.
114628-72-7Relevant articles and documents
THIENOSPIRANS V: THIENOSPIRANS VIA DIRECTED LITHIATHIONS
Sauter, Fritz,Stanetty, Peter,Froehlich, Hannes,Ramer, Wolfgang
, p. 2639 - 2656 (2007/10/02)
Using halogen-metal exchange and orthodirected metalation methodologies spirofurans> 2 and 3 were synthesized starting from 3-bromothiophene, in one case proceeding via cyclization of the 2,3-difunctionalized thiophenes 6 and in the other case p