845651-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 845651-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,5,6,5 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 845651-57:
(8*8)+(7*4)+(6*5)+(5*6)+(4*5)+(3*1)+(2*5)+(1*7)=192
192 % 10 = 2
So 845651-57-2 is a valid CAS Registry Number.
845651-57-2Relevant articles and documents
Synthesis of 4-aminomethyl analogs of daphnetin
Levenets,Frasinyuk,Khilya
, p. 529 - 532 (2007)
4-Aminomethyl analogs of the natural coumarin daphnetin were synthesized. The reaction of 4-chloromethyl-coumarins with aliphatic and aromatic amines was studied.