137309-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137309-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,0 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137309-99:
(8*1)+(7*3)+(6*7)+(5*3)+(4*0)+(3*9)+(2*9)+(1*9)=140
140 % 10 = 0
So 137309-99-0 is a valid CAS Registry Number.
137309-99-0Relevant articles and documents
A New Amino Acid, L-3-(2-Carboxy-4-pyrrolyl)-alanine from the Poisonous Mushroom Clytocybe acromelalga
Yamano, Kimiaki,Konno, Katsuhiro,Shirahama, Haruhisa
, p. 1541 - 1542 (1991)
A new amino acid, L-3-(2-carboxy-4-pyrrolyl)-alanine was isolated from Clytocybe acromelalga.Its structure was determined by spectral data and a synthesis.