175652-37-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175652-37-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,6,5 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 175652-37:
(8*1)+(7*7)+(6*5)+(5*6)+(4*5)+(3*2)+(2*3)+(1*7)=156
156 % 10 = 6
So 175652-37-6 is a valid CAS Registry Number.
175652-37-6Relevant articles and documents
Wittig chain extension of unprotected carbohydrates: Formation of carbohydrate-derived α,β-unsaturated esters
Railton, Craig J.,Clive, Derrick L.J.
, p. 69 - 77 (1996)
Unprotected carbohydrates react with Wittig reagents 6 and 7 to give unsaturated esters. This homologation has been used to prepare an intermediate (18) previously employed in a synthesis of Kdo (19).
