74847-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74847-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,4 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74847-09:
(7*7)+(6*4)+(5*8)+(4*4)+(3*7)+(2*0)+(1*9)=159
159 % 10 = 9
So 74847-09-9 is a valid CAS Registry Number.
74847-09-9Relevant articles and documents
TOTAL SYNTHESIS OF ULITHIACYCLAMIDE
Schmidt, U.,Weller, D.
, p. 3495 - 3496 (1986)
The total synthesis of ulithiacyclamide (4) by twofold ring closure reaction of the bifunctional pentafluorophenyl ester 2 is described.