82658-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82658-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82658-23:
(7*8)+(6*2)+(5*6)+(4*5)+(3*8)+(2*2)+(1*3)=149
149 % 10 = 9
So 82658-23-9 is a valid CAS Registry Number.
82658-23-9Relevant articles and documents
Total syntheses of (±) cervinomycins A1 and A2
Rama Rao,Yadav,Kishta Reddy,Upender, Velaparthi
, p. 5199 - 5202 (2007/10/02)
Regiocontrolled total syntheses of cervinomycins A1 (1) and A2 (2_have been achieved from easily accessible 6-acetyl-2-bromo-1,4,-dimethoxynaphthalene (4).