129882-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129882-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,8 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129882-20:
(8*1)+(7*2)+(6*9)+(5*8)+(4*8)+(3*2)+(2*2)+(1*0)=158
158 % 10 = 8
So 129882-20-8 is a valid CAS Registry Number.
129882-20-8Relevant articles and documents
9,10-DIHYDROERGOPEPTINES MODIFIED IN POSITION 6
Beran, Milos,Cerny, Antonin,Kuchar, Miroslav,Adamirova, Hana,Holubek, Jiri,et al.
, p. 819 - 832 (2007/10/02)
9,10-Dihydroergopeptines modified in position 6 (VII-XXIII) were prepared from 9,10-dihydroergotamine (I) and 9,10-dihydroergocristine (II) which were converted via corresponding 6-demethyl-6-cyano compounds III and IV to 6-demethyl-9,10-dihydroergotamine
