1440266-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1440266-98-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,2,6 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1440266-98:
(9*1)+(8*4)+(7*4)+(6*0)+(5*2)+(4*6)+(3*6)+(2*9)+(1*8)=147
147 % 10 = 7
So 1440266-98-7 is a valid CAS Registry Number.
1440266-98-7Relevant articles and documents
Total synthesis of (±)-spirobenzofuran
Su, Hang,Zhou, Ting,Liu, Bo
, p. 615 - 618 (2013)
Spirobenzofuran, embracing a cyclopentane-spirofused benzofuran carbon framework, was efficiently assembled via semipinacol rearrangement with Me 3Al from 2,5-dimethoxy-4-methylacetophenone.