856256-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856256-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,2,5 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 856256-16:
(8*8)+(7*5)+(6*6)+(5*2)+(4*5)+(3*6)+(2*1)+(1*6)=191
191 % 10 = 1
So 856256-16-1 is a valid CAS Registry Number.
856256-16-1Relevant articles and documents
Process for Preparation of Chiral Amlodipine Gentisate
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Page/Page column 4, (2009/01/20)
The present invention relates to a process for the preparation of optically pure amlodipine gentisate, more particularly to a continuous process for the preparation of optically pure amlodipine gentisate with good yield and high optical purity. The proces