444992-83-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444992-83-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,9,9 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 444992-83:
(8*4)+(7*4)+(6*4)+(5*9)+(4*9)+(3*2)+(2*8)+(1*3)=190
190 % 10 = 0
So 444992-83-0 is a valid CAS Registry Number.
444992-83-0Relevant articles and documents
Synthesis of combretastatins A-1 and B-1
Odlo, Kristin,Klaveness, Jo,Rongved, P?l,Hansen, Trond Vidar
, p. 1101 - 1103 (2006)
Combretastatins A-1 and B-1 have been synthesized by coupling MOM-protected p-iodomethoxycatechol with 3,4,5-trimethoxyphenylacetylene in a Sonogashira reaction.