171617-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171617-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,1 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 171617-91:
(8*1)+(7*7)+(6*1)+(5*6)+(4*1)+(3*7)+(2*9)+(1*1)=137
137 % 10 = 7
So 171617-91-7 is a valid CAS Registry Number.
171617-91-7Relevant articles and documents
SYNTHESIS OF THE C-TERMINAL HEXA- AND HEPTAPEPTIDE SEQUENCES OF OXYTOCIN
Ivanov, A. K.,Grigor'eva, E. E.,Antonov, A. A.,Donetskii, I. A.
, p. 97 - 103 (2007/10/02)
Three schemes for the synthesis of the heptapeptide 3-9 of the oxytocin sequence with different protective groups of the thiol function of the cysteine and the use of two main methods of condensation (the activated-ester method and the mixed-anhydride met
