87341-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87341-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,4 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87341-21:
(7*8)+(6*7)+(5*3)+(4*4)+(3*1)+(2*2)+(1*1)=137
137 % 10 = 7
So 87341-21-7 is a valid CAS Registry Number.
87341-21-7Relevant articles and documents
UMWANDLUNG VON α-AMINOSAEUREN IN α-DIKETONE UEBER OXAZOLINZWISCHENSTUFEN
Leyendecker, Joachim,Niewoehner, Ulrich,Steglich, Wolfgang
, p. 2375 - 2378 (2007/10/02)
A four step sequence for the conversion of α-amino acids into α-diketones under mild conditions is desribed.