151557-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151557-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,5,5 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 151557-96:
(8*1)+(7*5)+(6*1)+(5*5)+(4*5)+(3*7)+(2*9)+(1*6)=139
139 % 10 = 9
So 151557-96-9 is a valid CAS Registry Number.
151557-96-9Relevant articles and documents
A convenient method for the preparation of 1-substituted and 1,3-disubstituted pyrroles from acetals of 3-alkenals
Kulinkovitsch,Sorokin,Azzuz,Sviridov,Masalov
, p. 1059 - 1060 (2007/10/02)
1-substituted and 1,3-disubstituted pyrroles were obtained in 3 steps starting from readily accessible acetals of 3-alkenals in good yields.