155890-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155890-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,9 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 155890-16:
(8*1)+(7*5)+(6*5)+(5*8)+(4*9)+(3*0)+(2*1)+(1*6)=157
157 % 10 = 7
So 155890-16-7 is a valid CAS Registry Number.
155890-16-7Relevant articles and documents
A novel synthesis of triarylbismuth dihaloacetates
Liming,Xian
, p. 989 - 992 (1994)
Triarylbismuth dihaloacetates were prepared in good yields through carboxylic group - transformation. The method had advantages of simple manipulation, nonusage of silver salt and mild conditions.