140870-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140870-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,7 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 140870-45:
(8*1)+(7*4)+(6*0)+(5*8)+(4*7)+(3*0)+(2*4)+(1*5)=117
117 % 10 = 7
So 140870-45-7 is a valid CAS Registry Number.
140870-45-7Relevant academic research and scientific papers
Santhosh, K. C.,Balasubramanian, K. K.
, p. 224 - 225 (1992)
Phenylation of 3-phenylsulfonylchroman-4-ones using Ph3BiCO3 leading to the synthesis of isoflavanones and isoflavones is reported.