21634-98-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21634-98-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,3 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 21634-98:
(7*2)+(6*1)+(5*6)+(4*3)+(3*4)+(2*9)+(1*8)=100
100 % 10 = 0
So 21634-98-0 is a valid CAS Registry Number.
21634-98-0Relevant articles and documents
Biosynthesis of methacrylic acid and isobutyric acids in a carabid beetle, Scarites subterraneus
Attygalle,Meinwald,Eisner
, p. 4849 - 4852 (2007/10/02)
D8-L-Valine is incorporated with high efficiency into methacrylic and isobutyric acids in the pygidial defensive glands of a carabid beetle, Scarites subterraneus.