87720-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87720-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 87720-56:
(7*8)+(6*7)+(5*7)+(4*2)+(3*0)+(2*5)+(1*6)=157
157 % 10 = 7
So 87720-56-7 is a valid CAS Registry Number.
87720-56-7Relevant articles and documents
Synthesis of 2>- and 6>-Locust Adipokinetic Hormone
Hardy, Paul M.,Sheppard, Paul W.
, p. 723 - 729 (1983)
The syntheses of 2>- and 6>-locust adipokinetic hormone (LAKH) by the coupling of N-terminal hexapeptides prepared by the solid-phase method with a common C-terminal tetrapeptide synthesised in solution